45239380493 has 16 divisors (see below), whose sum is σ = 48610753920. Its totient is φ = 41948222976.

The previous prime is 45239380477. The next prime is 45239380507. The reversal of 45239380493 is 39408393254.

It is not a de Polignac number, because 45239380493 - 2⁴ = 45239380477 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 (45239340493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1120646 + ... + 1160312.

It is an arithmetic number, because the mean of its divisors is an integer number (3038172120).

Almost surely, 2^45239380493 is an apocalyptic number.

It is an amenable number.

45239380493 is a deficient number, since it is larger than the sum of its proper divisors (3371373427).

45239380493 is a wasteful number, since it uses less digits than its factorization.

45239380493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40676.

The product of its (nonzero) digits is 2799360, while the sum is 50.

The spelling of 45239380493 in words is "forty-five billion, two hundred thirty-nine million, three hundred eighty thousand, four hundred ninety-three".