2715381972738 has 32 divisors (see below), whose sum is σ = 6056448549120. Its totient is φ = 901787366160.

The previous prime is 2715381972703. The next prime is 2715381972781. The reversal of 2715381972738 is 8372791835172.

It is a happy number.

2715381972738 is a `hidden beast` number, since 2 + 7 + 1 + 538 + 1 + 97 + 2 + 7 + 3 + 8 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92761845 + ... + 92791112.

It is an arithmetic number, because the mean of its divisors is an integer number (189264017160).

Almost surely, 2^{2715381972738} is an apocalyptic number.

2715381972738 is an abundant number, since it is smaller than the sum of its proper divisors (3341066576382).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2715381972738 is a wasteful number, since it uses less digits than its factorization.

2715381972738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185553239 (or 185553233 counting only the distinct ones).

The product of its digits is 35562240, while the sum is 63.

The spelling of 2715381972738 in words is "two trillion, seven hundred fifteen billion, three hundred eighty-one million, nine hundred seventy-two thousand, seven hundred thirty-eight".