3801927521964 has 72 divisors (see below), whose sum is σ = 10479331219392. Its totient is φ = 1063476223680.

The previous prime is 3801927521941. The next prime is 3801927522023. The reversal of 3801927521964 is 4691257291083.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85192134 + ... + 85236749.

It is an arithmetic number, because the mean of its divisors is an integer number (145546266936).

It is a 1-persistent number, because it is pandigital, but 2⋅3801927521964 = 7603855043928 is not.

Almost surely, 2^{3801927521964} is an apocalyptic number.

It is an amenable number.

3801927521964 is an abundant number, since it is smaller than the sum of its proper divisors (6677403697428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3801927521964 is a wasteful number, since it uses less digits than its factorization.

3801927521964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170428927 (or 170428912 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 57.

The spelling of 3801927521964 in words is "three trillion, eight hundred one billion, nine hundred twenty-seven million, five hundred twenty-one thousand, nine hundred sixty-four".