21792651190 has 32 divisors (see below), whose sum is σ = 39449390400. Its totient is φ = 8667648000.

The previous prime is 21792651151. The next prime is 21792651193. The reversal of 21792651190 is 9115629712.

It is a super-2 number, since 2×21792651190² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21792651193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4536790 + ... + 4541590.

It is an arithmetic number, because the mean of its divisors is an integer number (1232793450).

Almost surely, 2^21792651190 is an apocalyptic number.

21792651190 is a deficient number, since it is larger than the sum of its proper divisors (17656739210).

21792651190 is a wasteful number, since it uses less digits than its factorization.

21792651190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7288.

The product of its (nonzero) digits is 68040, while the sum is 43.

The spelling of 21792651190 in words is "twenty-one billion, seven hundred ninety-two million, six hundred fifty-one thousand, one hundred ninety".