45432664789 has 2 divisors, whose sum is σ = 45432664790. Its totient is φ = 45432664788.

The previous prime is 45432664787. The next prime is 45432664811. The reversal of 45432664789 is 98746623454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33184815889 + 12247848900 = 182167^2 + 110670^2 .

It is a cyclic number.

It is not a de Polignac number, because 45432664789 - 2¹ = 45432664787 is a prime.

Together with 45432664787, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45432664787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22716332394 + 22716332395.

It is an arithmetic number, because the mean of its divisors is an integer number (22716332395).

Almost surely, 2^45432664789 is an apocalyptic number.

It is an amenable number.

45432664789 is a deficient number, since it is larger than the sum of its proper divisors (1).

45432664789 is an equidigital number, since it uses as much as digits as its factorization.

45432664789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34836480, while the sum is 58.

The spelling of 45432664789 in words is "forty-five billion, four hundred thirty-two million, six hundred sixty-four thousand, seven hundred eighty-nine".