21955062092 has 12 divisors (see below), whose sum is σ = 38773848960. Its totient is φ = 10876819536.

The previous prime is 21955062089. The next prime is 21955062113. The reversal of 21955062092 is 29026055912.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25177388 + ... + 25178259.

It is an arithmetic number, because the mean of its divisors is an integer number (3231154080).

Almost surely, 2^21955062092 is an apocalyptic number.

It is an amenable number.

21955062092 is a deficient number, since it is larger than the sum of its proper divisors (16818786868).

21955062092 is a wasteful number, since it uses less digits than its factorization.

21955062092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50355760 (or 50355758 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 41.

The spelling of 21955062092 in words is "twenty-one billion, nine hundred fifty-five million, sixty-two thousand, ninety-two".