45497172686 has 36 divisors (see below), whose sum is σ = 78868068552. Its totient is φ = 19282959792.

The previous prime is 45497172683. The next prime is 45497172691. The reversal of 45497172686 is 68627179454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45497172683) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 86992421 + ... + 86992943.

It is an arithmetic number, because the mean of its divisors is an integer number (2190779682).

Almost surely, 2^45497172686 is an apocalyptic number.

45497172686 is a deficient number, since it is larger than the sum of its proper divisors (33370895866).

45497172686 is an frugal number, since it uses more digits than its factorization.

45497172686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273 (or 641 counting only the distinct ones).

The product of its digits is 20321280, while the sum is 59.

The spelling of 45497172686 in words is "forty-five billion, four hundred ninety-seven million, one hundred seventy-two thousand, six hundred eighty-six".