45812038397 has 4 divisors (see below), whose sum is σ = 46217454780. Its totient is φ = 45406622016.

The previous prime is 45812038381. The next prime is 45812038469. The reversal of 45812038397 is 79383021854.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6642087001 + 39169951396 = 81499^2 + 197914^2 .

It is a cyclic number.

It is not a de Polignac number, because 45812038397 - 2⁴ = 45812038381 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 (45812238397) 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, 202708022 + ... + 202708247.

It is an arithmetic number, because the mean of its divisors is an integer number (11554363695).

Almost surely, 2^45812038397 is an apocalyptic number.

It is an amenable number.

45812038397 is a deficient number, since it is larger than the sum of its proper divisors (405416383).

45812038397 is a wasteful number, since it uses less digits than its factorization.

45812038397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405416382.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 45812038397 in words is "forty-five billion, eight hundred twelve million, thirty-eight thousand, three hundred ninety-seven".