45027497769 has 4 divisors (see below), whose sum is σ = 60036663696. Its totient is φ = 30018331844.

The previous prime is 45027497743. The next prime is 45027497777. The reversal of 45027497769 is 96779472054.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45027497769 is a prime.

It is a super-2 number, since 2×45027497769² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45027497789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7504582959 + ... + 7504582964.

It is an arithmetic number, because the mean of its divisors is an integer number (15009165924).

Almost surely, 2^45027497769 is an apocalyptic number.

It is an amenable number.

45027497769 is a deficient number, since it is larger than the sum of its proper divisors (15009165927).

45027497769 is a wasteful number, since it uses less digits than its factorization.

45027497769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15009165926.

The product of its (nonzero) digits is 26671680, while the sum is 60.

The spelling of 45027497769 in words is "forty-five billion, twenty-seven million, four hundred ninety-seven thousand, seven hundred sixty-nine".