45020515417 has 2 divisors, whose sum is σ = 45020515418. Its totient is φ = 45020515416.

The previous prime is 45020515381. The next prime is 45020515439. The reversal of 45020515417 is 71451502054.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42325244361 + 2695271056 = 205731^2 + 51916^2 .

It is a cyclic number.

It is not a de Polignac number, because 45020515417 - 2¹⁵ = 45020482649 is a prime.

It is not a weakly prime, because it can be changed into another prime (45020512417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22510257708 + 22510257709.

It is an arithmetic number, because the mean of its divisors is an integer number (22510257709).

Almost surely, 2^45020515417 is an apocalyptic number.

It is an amenable number.

45020515417 is a deficient number, since it is larger than the sum of its proper divisors (1).

45020515417 is an equidigital number, since it uses as much as digits as its factorization.

45020515417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28000, while the sum is 34.

The spelling of 45020515417 in words is "forty-five billion, twenty million, five hundred fifteen thousand, four hundred seventeen".