9212920892 has 24 divisors (see below), whose sum is σ = 18428559744. Its totient is φ = 3947812272.

The previous prime is 9212920853. The next prime is 9212920903. The reversal of 9212920892 is 2980292129.

It is a super-2 number, since 2×9212920892² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207923 + ... + 248309.

It is an arithmetic number, because the mean of its divisors is an integer number (767856656).

Almost surely, 2^9212920892 is an apocalyptic number.

It is an amenable number.

9212920892 is an abundant number, since it is smaller than the sum of its proper divisors (9215638852).

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

9212920892 is a wasteful number, since it uses less digits than its factorization.

9212920892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48545 (or 48543 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 9212920892 is about 95983.9616394322. The cubic root of 9212920892 is about 2096.3595955566.

The spelling of 9212920892 in words is "nine billion, two hundred twelve million, nine hundred twenty thousand, eight hundred ninety-two".