45249865013 has 8 divisors (see below), whose sum is σ = 45329629080. Its totient is φ = 45170173440.

The previous prime is 45249865009. The next prime is 45249865033. The reversal of 45249865013 is 31056894254.

It can be written as a sum of positive squares in 4 ways, for example, as 20499653329 + 24750211684 = 143177^2 + 157322^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45249865013 - 2² = 45249865009 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 (45249865033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1316381 + ... + 1350317.

It is an arithmetic number, because the mean of its divisors is an integer number (5666203635).

Almost surely, 2^45249865013 is an apocalyptic number.

It is an amenable number.

45249865013 is a deficient number, since it is larger than the sum of its proper divisors (79764067).

45249865013 is a wasteful number, since it uses less digits than its factorization.

45249865013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36247.

The product of its (nonzero) digits is 1036800, while the sum is 47.

The spelling of 45249865013 in words is "forty-five billion, two hundred forty-nine million, eight hundred sixty-five thousand, thirteen".