45526662569 has 2 divisors, whose sum is σ = 45526662570. Its totient is φ = 45526662568.

The previous prime is 45526662521. The next prime is 45526662583. The reversal of 45526662569 is 96526662554.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38602425625 + 6924236944 = 196475^2 + 83212^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45526662569 is a prime.

It is a super-2 number, since 2×45526662569² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45526662509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22763331284 + 22763331285.

It is an arithmetic number, because the mean of its divisors is an integer number (22763331285).

Almost surely, 2^45526662569 is an apocalyptic number.

It is an amenable number.

45526662569 is a deficient number, since it is larger than the sum of its proper divisors (1).

45526662569 is an equidigital number, since it uses as much as digits as its factorization.

45526662569 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328000, while the sum is 56.

The spelling of 45526662569 in words is "forty-five billion, five hundred twenty-six million, six hundred sixty-two thousand, five hundred sixty-nine".