45868190091 has 8 divisors (see below), whose sum is σ = 61186566144. Its totient is φ = 30564303720.

The previous prime is 45868190051. The next prime is 45868190099. The reversal of 45868190091 is 19009186854.

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

It is not a de Polignac number, because 45868190091 - 2¹⁰ = 45868189067 is a prime.

It is a super-2 number, since 2×45868190091² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45868190099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3615031 + ... + 3627696.

It is an arithmetic number, because the mean of its divisors is an integer number (7648320768).

Almost surely, 2^45868190091 is an apocalyptic number.

45868190091 is a deficient number, since it is larger than the sum of its proper divisors (15318376053).

45868190091 is a wasteful number, since it uses less digits than its factorization.

45868190091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7244841.

The product of its (nonzero) digits is 622080, while the sum is 51.

The spelling of 45868190091 in words is "forty-five billion, eight hundred sixty-eight million, one hundred ninety thousand, ninety-one".