45250415209 has 2 divisors, whose sum is σ = 45250415210. Its totient is φ = 45250415208.

The previous prime is 45250415201. The next prime is 45250415267. The reversal of 45250415209 is 90251405254.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33428637225 + 11821777984 = 182835^2 + 108728^2 .

It is a cyclic number.

It is not a de Polignac number, because 45250415209 - 2³ = 45250415201 is a prime.

It is not a weakly prime, because it can be changed into another prime (45250415201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22625207604 + 22625207605.

It is an arithmetic number, because the mean of its divisors is an integer number (22625207605).

Almost surely, 2^45250415209 is an apocalyptic number.

It is an amenable number.

45250415209 is a deficient number, since it is larger than the sum of its proper divisors (1).

45250415209 is an equidigital number, since it uses as much as digits as its factorization.

45250415209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72000, while the sum is 37.

The spelling of 45250415209 in words is "forty-five billion, two hundred fifty million, four hundred fifteen thousand, two hundred nine".