45542113997 has 2 divisors, whose sum is σ = 45542113998. Its totient is φ = 45542113996.

The previous prime is 45542113987. The next prime is 45542114053. The reversal of 45542113997 is 79931124554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44980471396 + 561642601 = 212086^2 + 23699^2 .

It is a cyclic number.

It is not a de Polignac number, because 45542113997 - 2⁸ = 45542113741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45542113987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22771056998 + 22771056999.

It is an arithmetic number, because the mean of its divisors is an integer number (22771056999).

Almost surely, 2^45542113997 is an apocalyptic number.

It is an amenable number.

45542113997 is a deficient number, since it is larger than the sum of its proper divisors (1).

45542113997 is an equidigital number, since it uses as much as digits as its factorization.

45542113997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1360800, while the sum is 50.

The spelling of 45542113997 in words is "forty-five billion, five hundred forty-two million, one hundred thirteen thousand, nine hundred ninety-seven".