2402315504509 has 2 divisors, whose sum is σ = 2402315504510. Its totient is φ = 2402315504508.

The previous prime is 2402315504473. The next prime is 2402315504569. The reversal of 2402315504509 is 9054055132042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2401740560025 + 574944484 = 1549755^2 + 23978^2 .

It is a cyclic number.

It is not a de Polignac number, because 2402315504509 - 2²⁵ = 2402281950077 is a prime.

It is a super-2 number, since 2×2402315504509² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2402315504569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1201157752254 + 1201157752255.

It is an arithmetic number, because the mean of its divisors is an integer number (1201157752255).

Almost surely, 2^{2402315504509} is an apocalyptic number.

It is an amenable number.

2402315504509 is a deficient number, since it is larger than the sum of its proper divisors (1).

2402315504509 is an equidigital number, since it uses as much as digits as its factorization.

2402315504509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 2402315504509 in words is "two trillion, four hundred two billion, three hundred fifteen million, five hundred four thousand, five hundred nine".