45444539471 has 2 divisors, whose sum is σ = 45444539472. Its totient is φ = 45444539470.

The previous prime is 45444539453. The next prime is 45444539477. The reversal of 45444539471 is 17493544454.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45444539471 is a prime.

It is a super-3 number, since 3×45444539471³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45444539477) 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, 22722269735 + 22722269736.

It is an arithmetic number, because the mean of its divisors is an integer number (22722269736).

Almost surely, 2^45444539471 is an apocalyptic number.

45444539471 is a deficient number, since it is larger than the sum of its proper divisors (1).

45444539471 is an equidigital number, since it uses as much as digits as its factorization.

45444539471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4838400, while the sum is 50.

The spelling of 45444539471 in words is "forty-five billion, four hundred forty-four million, five hundred thirty-nine thousand, four hundred seventy-one".