2021683720370 has 32 divisors (see below), whose sum is σ = 3836396366208. Its totient is φ = 765539394048.

The previous prime is 2021683720361. The next prime is 2021683720391. The reversal of 2021683720370 is 730273861202.

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, 45286604 + ... + 45331223.

It is an arithmetic number, because the mean of its divisors is an integer number (119887386444).

Almost surely, 2^{2021683720370} is an apocalyptic number.

2021683720370 is a deficient number, since it is larger than the sum of its proper divisors (1814712645838).

2021683720370 is a wasteful number, since it uses less digits than its factorization.

2021683720370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90617954.

The product of its (nonzero) digits is 169344, while the sum is 41.

The spelling of 2021683720370 in words is "two trillion, twenty-one billion, six hundred eighty-three million, seven hundred twenty thousand, three hundred seventy".