2100312399064 has 32 divisors (see below), whose sum is σ = 4298937027840. Its totient is φ = 954055568800.

The previous prime is 2100312399041. The next prime is 2100312399089. The reversal of 2100312399064 is 4609932130012.

It is a super-2 number, since 2×2100312399064² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7764844 + ... + 8030779.

It is an arithmetic number, because the mean of its divisors is an integer number (134341782120).

Almost surely, 2^{2100312399064} is an apocalyptic number.

It is an amenable number.

2100312399064 is an abundant number, since it is smaller than the sum of its proper divisors (2198624628776).

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

2100312399064 is a wasteful number, since it uses less digits than its factorization.

2100312399064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15797151 (or 15797147 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 40.

The spelling of 2100312399064 in words is "two trillion, one hundred billion, three hundred twelve million, three hundred ninety-nine thousand, sixty-four".