39097778274656 has 12 divisors (see below), whose sum is σ = 76973750978292. Its totient is φ = 19548889137312.

The previous prime is 39097778274649. The next prime is 39097778274701. The reversal of 39097778274656 is 65647287779093.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610902785510 + ... + 610902785573.

It is an arithmetic number, because the mean of its divisors is an integer number (6414479248191).

Almost surely, 2^{39097778274656} is an apocalyptic number.

It is an amenable number.

39097778274656 is a deficient number, since it is larger than the sum of its proper divisors (37875972703636).

39097778274656 is a wasteful number, since it uses less digits than its factorization.

39097778274656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221805571093 (or 1221805571085 counting only the distinct ones).

The product of its (nonzero) digits is 6721263360, while the sum is 80.

The spelling of 39097778274656 in words is "thirty-nine trillion, ninety-seven billion, seven hundred seventy-eight million, two hundred seventy-four thousand, six hundred fifty-six".