9051979420 has 48 divisors (see below), whose sum is σ = 21088771200. Its totient is φ = 3235833920.

The previous prime is 9051979369. The next prime is 9051979421. The reversal of 9051979420 is 249791509.

It is a happy number.

9051979420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9051979421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 335710 + ... + 361669.

It is an arithmetic number, because the mean of its divisors is an integer number (439349400).

Almost surely, 2^9051979420 is an apocalyptic number.

It is an amenable number.

9051979420 is an abundant number, since it is smaller than the sum of its proper divisors (12036791780).

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

9051979420 is a wasteful number, since it uses less digits than its factorization.

9051979420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697458 (or 697456 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 46.

The square root of 9051979420 is about 95141.8909839404. The cubic root of 9051979420 is about 2084.0806402484.

The spelling of 9051979420 in words is "nine billion, fifty-one million, nine hundred seventy-nine thousand, four hundred twenty".