45051489791 has 12 divisors (see below), whose sum is σ = 57171093480. Its totient is φ = 35105056560.

The previous prime is 45051489781. The next prime is 45051489797. The reversal of 45051489791 is 19798415054.

It is a de Polignac number, because none of the positive numbers 2^k-45051489791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45051489797) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41791196 + ... + 41792273.

It is an arithmetic number, because the mean of its divisors is an integer number (4764257790).

Almost surely, 2^45051489791 is an apocalyptic number.

45051489791 is a deficient number, since it is larger than the sum of its proper divisors (12119603689).

45051489791 is a wasteful number, since it uses less digits than its factorization.

45051489791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83583494 (or 83583487 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 53.

The spelling of 45051489791 in words is "forty-five billion, fifty-one million, four hundred eighty-nine thousand, seven hundred ninety-one".