45517744289 has 2 divisors, whose sum is σ = 45517744290. Its totient is φ = 45517744288.

The previous prime is 45517744267. The next prime is 45517744291. The reversal of 45517744289 is 98244771554.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45365592064 + 152152225 = 212992^2 + 12335^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45517744289 is a prime.

Together with 45517744291, 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 (45517744229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22758872144 + 22758872145.

It is an arithmetic number, because the mean of its divisors is an integer number (22758872145).

Almost surely, 2^45517744289 is an apocalyptic number.

It is an amenable number.

45517744289 is a deficient number, since it is larger than the sum of its proper divisors (1).

45517744289 is an equidigital number, since it uses as much as digits as its factorization.

45517744289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11289600, while the sum is 56.

The spelling of 45517744289 in words is "forty-five billion, five hundred seventeen million, seven hundred forty-four thousand, two hundred eighty-nine".