38749787370465 has 16 divisors (see below), whose sum is σ = 62548329351168. Its totient is φ = 20483663411456.

The previous prime is 38749787370451. The next prime is 38749787370499. The reversal of 38749787370465 is 56407378794783.

It is a cyclic number.

It is not a de Polignac number, because 38749787370465 - 2¹⁷ = 38749787239393 is a prime.

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, 11430614049 + ... + 11430617438.

It is an arithmetic number, because the mean of its divisors is an integer number (3909270584448).

Almost surely, 2^{38749787370465} is an apocalyptic number.

It is an amenable number.

38749787370465 is a deficient number, since it is larger than the sum of its proper divisors (23798541980703).

38749787370465 is a wasteful number, since it uses less digits than its factorization.

38749787370465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22861231608.

The product of its (nonzero) digits is 5974456320, while the sum is 78.

The spelling of 38749787370465 in words is "thirty-eight trillion, seven hundred forty-nine billion, seven hundred eighty-seven million, three hundred seventy thousand, four hundred sixty-five".