45567082991 has 2 divisors, whose sum is σ = 45567082992. Its totient is φ = 45567082990.

The previous prime is 45567082987. The next prime is 45567083057. The reversal of 45567082991 is 19928076554.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45567082991 - 2² = 45567082987 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45567082961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22783541495 + 22783541496.

It is an arithmetic number, because the mean of its divisors is an integer number (22783541496).

Almost surely, 2^45567082991 is an apocalyptic number.

45567082991 is a deficient number, since it is larger than the sum of its proper divisors (1).

45567082991 is an equidigital number, since it uses as much as digits as its factorization.

45567082991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5443200, while the sum is 56.

The spelling of 45567082991 in words is "forty-five billion, five hundred sixty-seven million, eighty-two thousand, nine hundred ninety-one".