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2235479989 is a prime number
BaseRepresentation
bin1000010100111110…
…1011011110110101
312202210110011001011
42011033223132311
514034240324424
61005454032221
7106253160241
oct20517533665
95683404034
102235479989
11a47963226
125247a8671
132981a4a32
14172c75421
15d13c9694
hex853eb7b5

2235479989 has 2 divisors, whose sum is σ = 2235479990. Its totient is φ = 2235479988.

The previous prime is 2235479977. The next prime is 2235479999. The reversal of 2235479989 is 9899745322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1136027025 + 1099452964 = 33705^2 + 33158^2 .

It is a cyclic number.

It is not a de Polignac number, because 2235479989 - 231 = 87996341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2235479959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1117739994 + 1117739995.

It is an arithmetic number, because the mean of its divisors is an integer number (1117739995).

Almost surely, 22235479989 is an apocalyptic number.

It is an amenable number.

2235479989 is a deficient number, since it is larger than the sum of its proper divisors (1).

2235479989 is an equidigital number, since it uses as much as digits as its factorization.

2235479989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9797760, while the sum is 58.

The square root of 2235479989 is about 47280.8628199613. The cubic root of 2235479989 is about 1307.5458567102.

The spelling of 2235479989 in words is "two billion, two hundred thirty-five million, four hundred seventy-nine thousand, nine hundred eighty-nine".