38961793015790 has 32 divisors (see below), whose sum is σ = 70298920379520. Its totient is φ = 15547478176000.

The previous prime is 38961793015759. The next prime is 38961793015811. The reversal of 38961793015790 is 9751039716983.

It is a self number, because there is not a number n which added to its sum of digits gives 38961793015790.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10338650 + ... + 13594530.

It is an arithmetic number, because the mean of its divisors is an integer number (2196841261860).

Almost surely, 2^{38961793015790} is an apocalyptic number.

38961793015790 is a deficient number, since it is larger than the sum of its proper divisors (31337127363730).

38961793015790 is a wasteful number, since it uses less digits than its factorization.

38961793015790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3258748.

The product of its (nonzero) digits is 77157360, while the sum is 68.

The spelling of 38961793015790 in words is "thirty-eight trillion, nine hundred sixty-one billion, seven hundred ninety-three million, fifteen thousand, seven hundred ninety".