45574520991 has 8 divisors (see below), whose sum is σ = 60777329664. Its totient is φ = 30377363160.

The previous prime is 45574520987. The next prime is 45574521001. The reversal of 45574520991 is 19902547554.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45574520991 - 2² = 45574520987 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45574520911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1393855 + ... + 1426176.

It is an arithmetic number, because the mean of its divisors is an integer number (7597166208).

Almost surely, 2^45574520991 is an apocalyptic number.

45574520991 is a deficient number, since it is larger than the sum of its proper divisors (15202808673).

45574520991 is a wasteful number, since it uses less digits than its factorization.

45574520991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2825421.

The product of its (nonzero) digits is 2268000, while the sum is 51.

The spelling of 45574520991 in words is "forty-five billion, five hundred seventy-four million, five hundred twenty thousand, nine hundred ninety-one".