45747648769 has 3 divisors (see below), whose sum is σ = 45747862657. Its totient is φ = 45747434882.

The previous prime is 45747648731. The next prime is 45747648773. The reversal of 45747648769 is 96784674754.

The square root of 45747648769 is 213887.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 45747648769 - 2⁹ = 45747648257 is a prime.

It is a super-2 number, since 2×45747648769² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45747648269) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 106944 + ... + 320830.

Almost surely, 2^45747648769 is an apocalyptic number.

45747648769 is the 213887-th square number.

45747648769 is the 106944-th centered octagonal number.

It is an amenable number.

45747648769 is a deficient number, since it is larger than the sum of its proper divisors (213888).

45747648769 is an frugal number, since it uses more digits than its factorization.

45747648769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427774 (or 213887 counting only the distinct ones).

The product of its digits is 284497920, while the sum is 67.

The spelling of 45747648769 in words is "forty-five billion, seven hundred forty-seven million, six hundred forty-eight thousand, seven hundred sixty-nine".