2021683502004 has 48 divisors (see below), whose sum is σ = 4782556386048. Its totient is φ = 664569266688.

The previous prime is 2021683501993. The next prime is 2021683502051. The reversal of 2021683502004 is 4002053861202.

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, 6189144 + ... + 6507600.

It is an arithmetic number, because the mean of its divisors is an integer number (99636591376).

Almost surely, 2^{2021683502004} is an apocalyptic number.

It is an amenable number.

2021683502004 is an abundant number, since it is smaller than the sum of its proper divisors (2760872884044).

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

2021683502004 is a wasteful number, since it uses less digits than its factorization.

2021683502004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325784 (or 325782 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The spelling of 2021683502004 in words is "two trillion, twenty-one billion, six hundred eighty-three million, five hundred two thousand, four".