45375828621 has 4 divisors (see below), whose sum is σ = 60501104832. Its totient is φ = 30250552412.

The previous prime is 45375828593. The next prime is 45375828637. The reversal of 45375828621 is 12682857354.

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 not a de Polignac number, because 45375828621 - 2¹⁰ = 45375827597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45375827621) 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, 7562638101 + ... + 7562638106.

It is an arithmetic number, because the mean of its divisors is an integer number (15125276208).

Almost surely, 2^45375828621 is an apocalyptic number.

It is an amenable number.

45375828621 is a deficient number, since it is larger than the sum of its proper divisors (15125276211).

45375828621 is a wasteful number, since it uses less digits than its factorization.

45375828621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15125276210.

The product of its digits is 3225600, while the sum is 51.

The spelling of 45375828621 in words is "forty-five billion, three hundred seventy-five million, eight hundred twenty-eight thousand, six hundred twenty-one".