45328051693 has 4 divisors (see below), whose sum is σ = 45328632700. Its totient is φ = 45327470688.

The previous prime is 45328051687. The next prime is 45328051709. The reversal of 45328051693 is 39615082354.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28838153124 + 16489898569 = 169818^2 + 128413^2 .

It is a cyclic number.

It is not a de Polignac number, because 45328051693 - 2⁵ = 45328051661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45328051493) 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, 151218 + ... + 336931.

It is an arithmetic number, because the mean of its divisors is an integer number (11332158175).

Almost surely, 2^45328051693 is an apocalyptic number.

It is an amenable number.

45328051693 is a deficient number, since it is larger than the sum of its proper divisors (581007).

45328051693 is an equidigital number, since it uses as much as digits as its factorization.

45328051693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581006.

The product of its (nonzero) digits is 777600, while the sum is 46.

The spelling of 45328051693 in words is "forty-five billion, three hundred twenty-eight million, fifty-one thousand, six hundred ninety-three".