45057673891 has 2 divisors, whose sum is σ = 45057673892. Its totient is φ = 45057673890.

The previous prime is 45057673813. The next prime is 45057673931. The reversal of 45057673891 is 19837675054.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45057673891 - 2⁹ = 45057673379 is a prime.

It is not a weakly prime, because it can be changed into another prime (45057673811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22528836945 + 22528836946.

It is an arithmetic number, because the mean of its divisors is an integer number (22528836946).

Almost surely, 2^45057673891 is an apocalyptic number.

45057673891 is a deficient number, since it is larger than the sum of its proper divisors (1).

45057673891 is an equidigital number, since it uses as much as digits as its factorization.

45057673891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6350400, while the sum is 55.

The spelling of 45057673891 in words is "forty-five billion, fifty-seven million, six hundred seventy-three thousand, eight hundred ninety-one".