45125673953 has 4 divisors (see below), whose sum is σ = 47780125380. Its totient is φ = 42471222528.

The previous prime is 45125673881. The next prime is 45125673979. The reversal of 45125673953 is 35937652154.

It is a happy number.

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 35108266384 + 10017407569 = 187372^2 + 100087^2 .

It is a cyclic number.

It is not a de Polignac number, because 45125673953 - 2¹⁶ = 45125608417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45125673353) 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, 1327225688 + ... + 1327225721.

It is an arithmetic number, because the mean of its divisors is an integer number (11945031345).

Almost surely, 2^45125673953 is an apocalyptic number.

It is an amenable number.

45125673953 is a deficient number, since it is larger than the sum of its proper divisors (2654451427).

45125673953 is a wasteful number, since it uses less digits than its factorization.

45125673953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2654451426.

The product of its digits is 3402000, while the sum is 50.

The spelling of 45125673953 in words is "forty-five billion, one hundred twenty-five million, six hundred seventy-three thousand, nine hundred fifty-three".