2402605129 has 2 divisors, whose sum is σ = 2402605130. Its totient is φ = 2402605128.

The previous prime is 2402605061. The next prime is 2402605133. The reversal of 2402605129 is 9215062042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1751589904 + 651015225 = 41852^2 + 25515^2 .

It is a cyclic number.

It is not a de Polignac number, because 2402605129 - 2³¹ = 255121481 is a prime.

It is a super-2 number, since 2×2402605129² = 11545022811794213282, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2402605129.

It is not a weakly prime, because it can be changed into another prime (2402605199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1201302564 + 1201302565.

It is an arithmetic number, because the mean of its divisors is an integer number (1201302565).

Almost surely, 2^2402605129 is an apocalyptic number.

It is an amenable number.

2402605129 is a deficient number, since it is larger than the sum of its proper divisors (1).

2402605129 is an equidigital number, since it uses as much as digits as its factorization.

2402605129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 2402605129 is about 49016.3761308402. The cubic root of 2402605129 is about 1339.3501580995.

The spelling of 2402605129 in words is "two billion, four hundred two million, six hundred five thousand, one hundred twenty-nine".