45810902591 has 4 divisors (see below), whose sum is σ = 45979946784. Its totient is φ = 45641858400.

The previous prime is 45810902587. The next prime is 45810902693. The reversal of 45810902591 is 19520901854.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45810902591 - 2² = 45810902587 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 (45810902531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84521690 + ... + 84522231.

It is an arithmetic number, because the mean of its divisors is an integer number (11494986696).

Almost surely, 2^45810902591 is an apocalyptic number.

45810902591 is a deficient number, since it is larger than the sum of its proper divisors (169044193).

45810902591 is a wasteful number, since it uses less digits than its factorization.

45810902591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169044192.

The product of its (nonzero) digits is 129600, while the sum is 44.

The spelling of 45810902591 in words is "forty-five billion, eight hundred ten million, nine hundred two thousand, five hundred ninety-one".