2456339858138 has 4 divisors (see below), whose sum is σ = 3684509787210. Its totient is φ = 1228169929068.

The previous prime is 2456339858107. The next prime is 2456339858143. The reversal of 2456339858138 is 8318589336542.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2396746748449 + 59593109689 = 1548143^2 + 244117^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 614084964533 + ... + 614084964536.

Almost surely, 2^{2456339858138} is an apocalyptic number.

2456339858138 is a deficient number, since it is larger than the sum of its proper divisors (1228169929072).

2456339858138 is a wasteful number, since it uses less digits than its factorization.

2456339858138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228169929071.

The product of its digits is 149299200, while the sum is 65.

The spelling of 2456339858138 in words is "two trillion, four hundred fifty-six billion, three hundred thirty-nine million, eight hundred fifty-eight thousand, one hundred thirty-eight".