21862930955 has 16 divisors (see below), whose sum is σ = 26742965184. Its totient is φ = 17154600960.

The previous prime is 21862930951. The next prime is 21862930961. The reversal of 21862930955 is 55903926812.

It is not a de Polignac number, because 21862930955 - 2² = 21862930951 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21862930951) 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, 91034 + ... + 228063.

It is an arithmetic number, because the mean of its divisors is an integer number (1671435324).

Almost surely, 2^21862930955 is an apocalyptic number.

21862930955 is a deficient number, since it is larger than the sum of its proper divisors (4880034229).

21862930955 is a wasteful number, since it uses less digits than its factorization.

21862930955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319366.

The product of its (nonzero) digits is 1166400, while the sum is 50.

The spelling of 21862930955 in words is "twenty-one billion, eight hundred sixty-two million, nine hundred thirty thousand, nine hundred fifty-five".