6721860250790 has 64 divisors (see below), whose sum is σ = 12982130832960. Its totient is φ = 2500856870400.

The previous prime is 6721860250783. The next prime is 6721860250813. The reversal of 6721860250790 is 970520681276.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2017532 + ... + 4184991.

It is an arithmetic number, because the mean of its divisors is an integer number (202845794265).

Almost surely, 2^{6721860250790} is an apocalyptic number.

6721860250790 is a deficient number, since it is larger than the sum of its proper divisors (6260270582170).

6721860250790 is a wasteful number, since it uses less digits than its factorization.

6721860250790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6202697.

The product of its (nonzero) digits is 2540160, while the sum is 53.

The spelling of 6721860250790 in words is "six trillion, seven hundred twenty-one billion, eight hundred sixty million, two hundred fifty thousand, seven hundred ninety".