45915059621 has 2 divisors, whose sum is σ = 45915059622. Its totient is φ = 45915059620.

The previous prime is 45915059507. The next prime is 45915059639. The reversal of 45915059621 is 12695051954.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45825964900 + 89094721 = 214070^2 + 9439^2 .

It is a cyclic number.

It is not a de Polignac number, because 45915059621 - 2¹⁰ = 45915058597 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45915059821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22957529810 + 22957529811.

It is an arithmetic number, because the mean of its divisors is an integer number (22957529811).

Almost surely, 2^45915059621 is an apocalyptic number.

It is an amenable number.

45915059621 is a deficient number, since it is larger than the sum of its proper divisors (1).

45915059621 is an equidigital number, since it uses as much as digits as its factorization.

45915059621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486000, while the sum is 47.

The spelling of 45915059621 in words is "forty-five billion, nine hundred fifteen million, fifty-nine thousand, six hundred twenty-one".