45564744746449 has 2 divisors, whose sum is σ = 45564744746450. Its totient is φ = 45564744746448.

The previous prime is 45564744746383. The next prime is 45564744746567. The reversal of 45564744746449 is 94464744746554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24007481466049 + 21557263280400 = 4899743^2 + 4642980^2 .

It is a cyclic number.

It is not a de Polignac number, because 45564744746449 - 2¹⁹ = 45564744222161 is a prime.

It is a super-2 number, since 2×45564744746449² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45564744756449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22782372373224 + 22782372373225.

It is an arithmetic number, because the mean of its divisors is an integer number (22782372373225).

Almost surely, 2^{45564744746449} is an apocalyptic number.

It is an amenable number.

45564744746449 is a deficient number, since it is larger than the sum of its proper divisors (1).

45564744746449 is an equidigital number, since it uses as much as digits as its factorization.

45564744746449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6502809600, while the sum is 73.

The spelling of 45564744746449 in words is "forty-five trillion, five hundred sixty-four billion, seven hundred forty-four million, seven hundred forty-six thousand, four hundred forty-nine".