45081824508269 has 2 divisors, whose sum is σ = 45081824508270. Its totient is φ = 45081824508268.

The previous prime is 45081824508251. The next prime is 45081824508341. The reversal of 45081824508269 is 96280542818054.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33516723945769 + 11565100562500 = 5789363^2 + 3400750^2 .

It is a cyclic number.

It is not a de Polignac number, because 45081824508269 - 2²⁰ = 45081823459693 is a prime.

It is a super-2 number, since 2×45081824508269² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45081824508239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22540912254134 + 22540912254135.

It is an arithmetic number, because the mean of its divisors is an integer number (22540912254135).

Almost surely, 2^{45081824508269} is an apocalyptic number.

It is an amenable number.

45081824508269 is a deficient number, since it is larger than the sum of its proper divisors (1).

45081824508269 is an equidigital number, since it uses as much as digits as its factorization.

45081824508269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 44236800, while the sum is 62.

The spelling of 45081824508269 in words is "forty-five trillion, eighty-one billion, eight hundred twenty-four million, five hundred eight thousand, two hundred sixty-nine".