45567901491 has 16 divisors (see below), whose sum is σ = 69461197824. Its totient is φ = 26029652544.

The previous prime is 45567901429. The next prime is 45567901501. The reversal of 45567901491 is 19410976554.

It is a happy number.

It is not a de Polignac number, because 45567901491 - 2⁶ = 45567901427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45567901891) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 319755 + ... + 439748.

It is an arithmetic number, because the mean of its divisors is an integer number (4341324864).

Almost surely, 2^45567901491 is an apocalyptic number.

45567901491 is a deficient number, since it is larger than the sum of its proper divisors (23893296333).

45567901491 is a wasteful number, since it uses less digits than its factorization.

45567901491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762370.

The product of its (nonzero) digits is 1360800, while the sum is 51.

The spelling of 45567901491 in words is "forty-five billion, five hundred sixty-seven million, nine hundred one thousand, four hundred ninety-one".