45618956399 has 2 divisors, whose sum is σ = 45618956400. Its totient is φ = 45618956398.

The previous prime is 45618956389. The next prime is 45618956407. The reversal of 45618956399 is 99365981654.

45618956399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45618956399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45618956389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22809478199 + 22809478200.

It is an arithmetic number, because the mean of its divisors is an integer number (22809478200).

Almost surely, 2^45618956399 is an apocalyptic number.

45618956399 is a deficient number, since it is larger than the sum of its proper divisors (1).

45618956399 is an equidigital number, since it uses as much as digits as its factorization.

45618956399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62985600, while the sum is 65.

The spelling of 45618956399 in words is "forty-five billion, six hundred eighteen million, nine hundred fifty-six thousand, three hundred ninety-nine".