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2439942829 is a prime number
BaseRepresentation
bin1001000101101110…
…1001001010101101
320022001011221022221
42101123221022231
514444111132304
61042040235341
7114315112642
oct22133511255
96261157287
102439942829
111042314185
1258116bb51
132cb66246c
14192099dc9
15e4316054
hex916e92ad

2439942829 has 2 divisors, whose sum is σ = 2439942830. Its totient is φ = 2439942828.

The previous prime is 2439942797. The next prime is 2439942853. The reversal of 2439942829 is 9282499342.

2439942829 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2145820329 + 294122500 = 46323^2 + 17150^2 .

It is a cyclic number.

It is not a de Polignac number, because 2439942829 - 25 = 2439942797 is a prime.

It is a super-3 number, since 3×24399428293 (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2439942859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1219971414 + 1219971415.

It is an arithmetic number, because the mean of its divisors is an integer number (1219971415).

Almost surely, 22439942829 is an apocalyptic number.

It is an amenable number.

2439942829 is a deficient number, since it is larger than the sum of its proper divisors (1).

2439942829 is an equidigital number, since it uses as much as digits as its factorization.

2439942829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2239488, while the sum is 52.

The square root of 2439942829 is about 49395.7774409919. Note that the first 3 decimals coincide. The cubic root of 2439942829 is about 1346.2525847251.

The spelling of 2439942829 in words is "two billion, four hundred thirty-nine million, nine hundred forty-two thousand, eight hundred twenty-nine".