45418920913 has 2 divisors, whose sum is σ = 45418920914. Its totient is φ = 45418920912.

The previous prime is 45418920907. The next prime is 45418920917. The reversal of 45418920913 is 31902981454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36897415569 + 8521505344 = 192087^2 + 92312^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45418920913 is a prime.

It is not a weakly prime, because it can be changed into another prime (45418920917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22709460456 + 22709460457.

It is an arithmetic number, because the mean of its divisors is an integer number (22709460457).

Almost surely, 2^45418920913 is an apocalyptic number.

It is an amenable number.

45418920913 is a deficient number, since it is larger than the sum of its proper divisors (1).

45418920913 is an equidigital number, since it uses as much as digits as its factorization.

45418920913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 46.

The spelling of 45418920913 in words is "forty-five billion, four hundred eighteen million, nine hundred twenty thousand, nine hundred thirteen".