45955186993 has 2 divisors, whose sum is σ = 45955186994. Its totient is φ = 45955186992.

The previous prime is 45955186973. The next prime is 45955187011. The reversal of 45955186993 is 39968155954.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25591040784 + 20364146209 = 159972^2 + 142703^2 .

It is a cyclic number.

It is not a de Polignac number, because 45955186993 - 2²⁹ = 45418316081 is a prime.

It is a super-2 number, since 2×45955186993² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45955186903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22977593496 + 22977593497.

It is an arithmetic number, because the mean of its divisors is an integer number (22977593497).

Almost surely, 2^45955186993 is an apocalyptic number.

It is an amenable number.

45955186993 is a deficient number, since it is larger than the sum of its proper divisors (1).

45955186993 is an equidigital number, since it uses as much as digits as its factorization.

45955186993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52488000, while the sum is 64.

The spelling of 45955186993 in words is "forty-five billion, nine hundred fifty-five million, one hundred eighty-six thousand, nine hundred ninety-three".