2920945793 has 2 divisors, whose sum is σ = 2920945794. Its totient is φ = 2920945792.

The previous prime is 2920945759. The next prime is 2920945823. The reversal of 2920945793 is 3975490292.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2268807424 + 652138369 = 47632^2 + 25537^2 .

It is a cyclic number.

It is not a de Polignac number, because 2920945793 - 2²⁶ = 2853836929 is a prime.

It is not a weakly prime, because it can be changed into another prime (2920945393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1460472896 + 1460472897.

It is an arithmetic number, because the mean of its divisors is an integer number (1460472897).

Almost surely, 2^2920945793 is an apocalyptic number.

It is an amenable number.

2920945793 is a deficient number, since it is larger than the sum of its proper divisors (1).

2920945793 is an equidigital number, since it uses as much as digits as its factorization.

2920945793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1224720, while the sum is 50.

The square root of 2920945793 is about 54045.7749782534. The cubic root of 2920945793 is about 1429.4682021778.

The spelling of 2920945793 in words is "two billion, nine hundred twenty million, nine hundred forty-five thousand, seven hundred ninety-three".