21588773034 has 16 divisors (see below), whose sum is σ = 43202626272. Its totient is φ = 7192077648.

The previous prime is 21588772951. The next prime is 21588773077. The reversal of 21588773034 is 43037788512.

It is a super-2 number, since 2×21588773034² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1033809 + ... + 1054484.

It is an arithmetic number, because the mean of its divisors is an integer number (2700164142).

Almost surely, 2^21588773034 is an apocalyptic number.

21588773034 is an abundant number, since it is smaller than the sum of its proper divisors (21613853238).

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

21588773034 is a wasteful number, since it uses less digits than its factorization.

21588773034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2090021.

The product of its (nonzero) digits is 1128960, while the sum is 48.

The spelling of 21588773034 in words is "twenty-one billion, five hundred eighty-eight million, seven hundred seventy-three thousand, thirty-four".