45637864691 has 8 divisors (see below), whose sum is σ = 46754836800. Its totient is φ = 44521076160.

The previous prime is 45637864687. The next prime is 45637864703. The reversal of 45637864691 is 19646873654.

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

It is a cyclic number.

It is not a de Polignac number, because 45637864691 - 2² = 45637864687 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45637864691.

It is not an unprimeable number, because it can be changed into a prime (45637864621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 551270 + ... + 628628.

It is an arithmetic number, because the mean of its divisors is an integer number (5844354600).

Almost surely, 2^45637864691 is an apocalyptic number.

45637864691 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

45637864691 is a deficient number, since it is larger than the sum of its proper divisors (1116972109).

45637864691 is a wasteful number, since it uses less digits than its factorization.

45637864691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91789.

The product of its digits is 26127360, while the sum is 59.

The spelling of 45637864691 in words is "forty-five billion, six hundred thirty-seven million, eight hundred sixty-four thousand, six hundred ninety-one".