45993981775 has 24 divisors (see below), whose sum is σ = 65235995264. Its totient is φ = 31511656800.

The previous prime is 45993981757. The next prime is 45993981841. The reversal of 45993981775 is 57718939954.

It is not a de Polignac number, because 45993981775 - 2¹⁷ = 45993850703 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 45993981775.

It is a congruent number.

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, 92704 + ... + 317146.

Almost surely, 2^45993981775 is an apocalyptic number.

45993981775 is a deficient number, since it is larger than the sum of its proper divisors (19242013489).

45993981775 is a wasteful number, since it uses less digits than its factorization.

45993981775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225631 (or 225626 counting only the distinct ones).

The product of its digits is 85730400, while the sum is 67.

The spelling of 45993981775 in words is "forty-five billion, nine hundred ninety-three million, nine hundred eighty-one thousand, seven hundred seventy-five".