45050317391 has 2 divisors, whose sum is σ = 45050317392. Its totient is φ = 45050317390.

The previous prime is 45050317369. The next prime is 45050317427. The reversal of 45050317391 is 19371305054.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45050317391 - 2¹⁸ = 45050055247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45050317691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22525158695 + 22525158696.

It is an arithmetic number, because the mean of its divisors is an integer number (22525158696).

Almost surely, 2^45050317391 is an apocalyptic number.

45050317391 is a deficient number, since it is larger than the sum of its proper divisors (1).

45050317391 is an equidigital number, since it uses as much as digits as its factorization.

45050317391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56700, while the sum is 38.

The spelling of 45050317391 in words is "forty-five billion, fifty million, three hundred seventeen thousand, three hundred ninety-one".