45193670690 has 48 divisors (see below), whose sum is σ = 94654656000. Its totient is φ = 15490937952.

The previous prime is 45193670677. The next prime is 45193670701. The reversal of 45193670690 is 9607639154.

It is a super-2 number, since 2×45193670690² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2341901 + ... + 2361119.

It is an arithmetic number, because the mean of its divisors is an integer number (1971972000).

Almost surely, 2^45193670690 is an apocalyptic number.

45193670690 is an abundant number, since it is smaller than the sum of its proper divisors (49460985310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45193670690 is a wasteful number, since it uses less digits than its factorization.

45193670690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24039 (or 24032 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 50.

The spelling of 45193670690 in words is "forty-five billion, one hundred ninety-three million, six hundred seventy thousand, six hundred ninety".