45179866273 has 2 divisors, whose sum is σ = 45179866274. Its totient is φ = 45179866272.

The previous prime is 45179866261. The next prime is 45179866409. The reversal of 45179866273 is 37266897154.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44788103424 + 391762849 = 211632^2 + 19793^2 .

It is a cyclic number.

It is not a de Polignac number, because 45179866273 - 2²⁵ = 45146311841 is a prime.

It is not a weakly prime, because it can be changed into another prime (45179866873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22589933136 + 22589933137.

It is an arithmetic number, because the mean of its divisors is an integer number (22589933137).

Almost surely, 2^45179866273 is an apocalyptic number.

It is an amenable number.

45179866273 is a deficient number, since it is larger than the sum of its proper divisors (1).

45179866273 is an equidigital number, since it uses as much as digits as its factorization.

45179866273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15240960, while the sum is 58.

The spelling of 45179866273 in words is "forty-five billion, one hundred seventy-nine million, eight hundred sixty-six thousand, two hundred seventy-three".