45440455369 has 2 divisors, whose sum is σ = 45440455370. Its totient is φ = 45440455368.

The previous prime is 45440455367. The next prime is 45440455381. The reversal of 45440455369 is 96355404454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45047940025 + 392515344 = 212245^2 + 19812^2 .

It is a cyclic number.

It is not a de Polignac number, because 45440455369 - 2¹ = 45440455367 is a prime.

It is a super-2 number, since 2×45440455369² (a number of 22 digits) contains 22 as substring.

Together with 45440455367, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (45440455363) 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, 22720227684 + 22720227685.

It is an arithmetic number, because the mean of its divisors is an integer number (22720227685).

Almost surely, 2^45440455369 is an apocalyptic number.

It is an amenable number.

45440455369 is a deficient number, since it is larger than the sum of its proper divisors (1).

45440455369 is an equidigital number, since it uses as much as digits as its factorization.

45440455369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184000, while the sum is 49.

The spelling of 45440455369 in words is "forty-five billion, four hundred forty million, four hundred fifty-five thousand, three hundred sixty-nine".