38951463365845 has 64 divisors (see below), whose sum is σ = 49489247808000. Its totient is φ = 29349343789056.

The previous prime is 38951463365803. The next prime is 38951463365933. The reversal of 38951463365845 is 54856336415983.

It is a cyclic number.

It is not a de Polignac number, because 38951463365845 - 2³⁵ = 38917103627477 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22476319599 + ... + 22476321331.

It is an arithmetic number, because the mean of its divisors is an integer number (773269497000).

Almost surely, 2^{38951463365845} is an apocalyptic number.

It is an amenable number.

38951463365845 is a deficient number, since it is larger than the sum of its proper divisors (10537784442155).

38951463365845 is a wasteful number, since it uses less digits than its factorization.

38951463365845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3742.

The product of its digits is 1119744000, while the sum is 70.

The spelling of 38951463365845 in words is "thirty-eight trillion, nine hundred fifty-one billion, four hundred sixty-three million, three hundred sixty-five thousand, eight hundred forty-five".