45294408915209 has 2 divisors, whose sum is σ = 45294408915210. Its totient is φ = 45294408915208.

The previous prime is 45294408915193. The next prime is 45294408915241. The reversal of 45294408915209 is 90251980449254.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44168358981184 + 1126049934025 = 6645928^2 + 1061155^2 .

It is a cyclic number.

It is not a de Polignac number, because 45294408915209 - 2⁴ = 45294408915193 is a prime.

It is not a weakly prime, because it can be changed into another prime (45294408915809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22647204457604 + 22647204457605.

It is an arithmetic number, because the mean of its divisors is an integer number (22647204457605).

Almost surely, 2^{45294408915209} is an apocalyptic number.

It is an amenable number.

45294408915209 is a deficient number, since it is larger than the sum of its proper divisors (1).

45294408915209 is an equidigital number, since it uses as much as digits as its factorization.

45294408915209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37324800, while the sum is 62.

The spelling of 45294408915209 in words is "forty-five trillion, two hundred ninety-four billion, four hundred eight million, nine hundred fifteen thousand, two hundred nine".