45365264202121 has 2 divisors, whose sum is σ = 45365264202122. Its totient is φ = 45365264202120.

The previous prime is 45365264202091. The next prime is 45365264202227. The reversal of 45365264202121 is 12120246256354.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41131237796496 + 4234026405625 = 6413364^2 + 2057675^2 .

It is a cyclic number.

It is not a de Polignac number, because 45365264202121 - 2²⁵ = 45365230647689 is a prime.

It is a super-2 number, since 2×45365264202121² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45365264262121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22682632101060 + 22682632101061.

It is an arithmetic number, because the mean of its divisors is an integer number (22682632101061).

Almost surely, 2^{45365264202121} is an apocalyptic number.

It is an amenable number.

45365264202121 is a deficient number, since it is larger than the sum of its proper divisors (1).

45365264202121 is an equidigital number, since it uses as much as digits as its factorization.

45365264202121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 691200, while the sum is 43.

The spelling of 45365264202121 in words is "forty-five trillion, three hundred sixty-five billion, two hundred sixty-four million, two hundred two thousand, one hundred twenty-one".