2420829449 has 2 divisors, whose sum is σ = 2420829450. Its totient is φ = 2420829448.

The previous prime is 2420829409. The next prime is 2420829457. The reversal of 2420829449 is 9449280242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1736222224 + 684607225 = 41668^2 + 26165^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2420829449 is a prime.

It is a super-2 number, since 2×2420829449² = 11720830442291287202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2420829409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210414724 + 1210414725.

It is an arithmetic number, because the mean of its divisors is an integer number (1210414725).

Almost surely, 2^2420829449 is an apocalyptic number.

It is an amenable number.

2420829449 is a deficient number, since it is larger than the sum of its proper divisors (1).

2420829449 is an equidigital number, since it uses as much as digits as its factorization.

2420829449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 331776, while the sum is 44.

The square root of 2420829449 is about 49201.9252570466. The cubic root of 2420829449 is about 1342.7280594448.

The spelling of 2420829449 in words is "two billion, four hundred twenty million, eight hundred twenty-nine thousand, four hundred forty-nine".