45093423991 has 24 divisors (see below), whose sum is σ = 58441879296. Its totient is φ = 34390102320.

The previous prime is 45093423953. The next prime is 45093424021. The reversal of 45093423991 is 19932439054.

It is not a de Polignac number, because 45093423991 - 2¹⁵ = 45093391223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45093423901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 864681 + ... + 915346.

It is an arithmetic number, because the mean of its divisors is an integer number (2435078304).

Almost surely, 2^45093423991 is an apocalyptic number.

45093423991 is a deficient number, since it is larger than the sum of its proper divisors (13348455305).

45093423991 is a wasteful number, since it uses less digits than its factorization.

45093423991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1780099 (or 1780092 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 49.

The spelling of 45093423991 in words is "forty-five billion, ninety-three million, four hundred twenty-three thousand, nine hundred ninety-one".