45193670691 has 16 divisors (see below), whose sum is σ = 66476245920. Its totient is φ = 27133159680.

The previous prime is 45193670677. The next prime is 45193670701. The reversal of 45193670691 is 19607639154.

It is not a de Polignac number, because 45193670691 - 2⁷ = 45193670563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45193670611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14130256 + ... + 14133453.

It is an arithmetic number, because the mean of its divisors is an integer number (4154765370).

Almost surely, 2^45193670691 is an apocalyptic number.

45193670691 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

45193670691 is a deficient number, since it is larger than the sum of its proper divisors (21282575229).

45193670691 is a wasteful number, since it uses less digits than its factorization.

45193670691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28263766.

The product of its (nonzero) digits is 1224720, while the sum is 51.

The spelling of 45193670691 in words is "forty-five billion, one hundred ninety-three million, six hundred seventy thousand, six hundred ninety-one".