45098774521 has 2 divisors, whose sum is σ = 45098774522. Its totient is φ = 45098774520.

The previous prime is 45098774453. The next prime is 45098774527. The reversal of 45098774521 is 12547789054.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42710008896 + 2388765625 = 206664^2 + 48875^2 .

It is a cyclic number.

It is not a de Polignac number, because 45098774521 - 2²⁹ = 44561903609 is a prime.

It is not a weakly prime, because it can be changed into another prime (45098774527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22549387260 + 22549387261.

It is an arithmetic number, because the mean of its divisors is an integer number (22549387261).

Almost surely, 2^45098774521 is an apocalyptic number.

It is an amenable number.

45098774521 is a deficient number, since it is larger than the sum of its proper divisors (1).

45098774521 is an equidigital number, since it uses as much as digits as its factorization.

45098774521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2822400, while the sum is 52.

The spelling of 45098774521 in words is "forty-five billion, ninety-eight million, seven hundred seventy-four thousand, five hundred twenty-one".