2920313921 has 8 divisors (see below), whose sum is σ = 3379749120. Its totient is φ = 2471440608.

The previous prime is 2920313917. The next prime is 2920313951. The reversal of 2920313921 is 1293130292.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2920313921 - 2² = 2920313917 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2920313951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2639876 + ... + 2640981.

It is an arithmetic number, because the mean of its divisors is an integer number (422468640).

Almost surely, 2^2920313921 is an apocalyptic number.

It is an amenable number.

2920313921 is a deficient number, since it is larger than the sum of its proper divisors (459435199).

2920313921 is an equidigital number, since it uses as much as digits as its factorization.

2920313921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5280943.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 2920313921 is about 54039.9289507305. The cubic root of 2920313921 is about 1429.3651184354.

The spelling of 2920313921 in words is "two billion, nine hundred twenty million, three hundred thirteen thousand, nine hundred twenty-one".