2538956002402 has 8 divisors (see below), whose sum is σ = 3880291249116. Its totient is φ = 1245525586032.

The previous prime is 2538956002393. The next prime is 2538956002417. The reversal of 2538956002402 is 2042006598352.

It can be written as a sum of positive squares in 2 ways, for example, as 2339183654721 + 199772347681 = 1529439^2 + 446959^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11976207453 + ... + 11976207664.

Almost surely, 2^{2538956002402} is an apocalyptic number.

2538956002402 is a deficient number, since it is larger than the sum of its proper divisors (1341335246714).

2538956002402 is a wasteful number, since it uses less digits than its factorization.

2538956002402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23952415172.

The product of its (nonzero) digits is 1036800, while the sum is 46.

The spelling of 2538956002402 in words is "two trillion, five hundred thirty-eight billion, nine hundred fifty-six million, two thousand, four hundred two".