6542374732456 has 16 divisors (see below), whose sum is σ = 12552230592000. Its totient is φ = 3195113241264.

The previous prime is 6542374732441. The next prime is 6542374732477.

6542374732456 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 6542374732456.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9509265256 + ... + 9509265943.

It is an arithmetic number, because the mean of its divisors is an integer number (784514412000).

Almost surely, 2^{6542374732456} is an apocalyptic number.

It is an amenable number.

6542374732456 is a deficient number, since it is larger than the sum of its proper divisors (6009855859544).

6542374732456 is a wasteful number, since it uses less digits than its factorization.

6542374732456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19018531248 (or 19018531244 counting only the distinct ones).

The product of its digits is 101606400, while the sum is 58.

The spelling of 6542374732456 in words is "six trillion, five hundred forty-two billion, three hundred seventy-four million, seven hundred thirty-two thousand, four hundred fifty-six".