45274213121 has 2 divisors, whose sum is σ = 45274213122. Its totient is φ = 45274213120.

The previous prime is 45274213093. The next prime is 45274213123. The reversal of 45274213121 is 12131247254.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33022158400 + 12252054721 = 181720^2 + 110689^2 .

It is a cyclic number.

It is not a de Polignac number, because 45274213121 - 2³⁰ = 44200471297 is a prime.

Together with 45274213123, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45274213123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22637106560 + 22637106561.

It is an arithmetic number, because the mean of its divisors is an integer number (22637106561).

Almost surely, 2^45274213121 is an apocalyptic number.

It is an amenable number.

45274213121 is a deficient number, since it is larger than the sum of its proper divisors (1).

45274213121 is an equidigital number, since it uses as much as digits as its factorization.

45274213121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13440, while the sum is 32.

The spelling of 45274213121 in words is "forty-five billion, two hundred seventy-four million, two hundred thirteen thousand, one hundred twenty-one".