45257512673 has 2 divisors, whose sum is σ = 45257512674. Its totient is φ = 45257512672.

The previous prime is 45257512639. The next prime is 45257512711. The reversal of 45257512673 is 37621575254.

45257512673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24350666209 + 20906846464 = 156047^2 + 144592^2 .

It is a cyclic number.

It is not a de Polignac number, because 45257512673 - 2¹² = 45257508577 is a prime.

It is not a weakly prime, because it can be changed into another prime (45257512633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22628756336 + 22628756337.

It is an arithmetic number, because the mean of its divisors is an integer number (22628756337).

Almost surely, 2^45257512673 is an apocalyptic number.

It is an amenable number.

45257512673 is a deficient number, since it is larger than the sum of its proper divisors (1).

45257512673 is an equidigital number, since it uses as much as digits as its factorization.

45257512673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1764000, while the sum is 47.

The spelling of 45257512673 in words is "forty-five billion, two hundred fifty-seven million, five hundred twelve thousand, six hundred seventy-three".