45512341817 has 2 divisors, whose sum is σ = 45512341818. Its totient is φ = 45512341816.

The previous prime is 45512341789. The next prime is 45512341883. The reversal of 45512341817 is 71814321554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39688209961 + 5824131856 = 199219^2 + 76316^2 .

It is a cyclic number.

It is not a de Polignac number, because 45512341817 - 2⁶ = 45512341753 is a prime.

It is a super-2 number, since 2×45512341817² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45512341417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22756170908 + 22756170909.

It is an arithmetic number, because the mean of its divisors is an integer number (22756170909).

Almost surely, 2^45512341817 is an apocalyptic number.

It is an amenable number.

45512341817 is a deficient number, since it is larger than the sum of its proper divisors (1).

45512341817 is an equidigital number, since it uses as much as digits as its factorization.

45512341817 is an evil number, because the sum of its binary digits is even.

The product of its digits is 134400, while the sum is 41.

The spelling of 45512341817 in words is "forty-five billion, five hundred twelve million, three hundred forty-one thousand, eight hundred seventeen".