45497211569 has 2 divisors, whose sum is σ = 45497211570. Its totient is φ = 45497211568.

The previous prime is 45497211533. The next prime is 45497211593. The reversal of 45497211569 is 96511279454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33392811169 + 12104400400 = 182737^2 + 110020^2 .

It is a cyclic number.

It is not a de Polignac number, because 45497211569 - 2²⁰ = 45496162993 is a prime.

It is a super-2 number, since 2×45497211569² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45497211569.

It is not a weakly prime, because it can be changed into another prime (45497211169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22748605784 + 22748605785.

It is an arithmetic number, because the mean of its divisors is an integer number (22748605785).

Almost surely, 2^45497211569 is an apocalyptic number.

It is an amenable number.

45497211569 is a deficient number, since it is larger than the sum of its proper divisors (1).

45497211569 is an equidigital number, since it uses as much as digits as its factorization.

45497211569 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2721600, while the sum is 53.

The spelling of 45497211569 in words is "forty-five billion, four hundred ninety-seven million, two hundred eleven thousand, five hundred sixty-nine".