749795455589 has 2 divisors, whose sum is σ = 749795455590. Its totient is φ = 749795455588.

The previous prime is 749795455567. The next prime is 749795455709. The reversal of 749795455589 is 985554597947.

749795455589 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 375781260100 + 374014195489 = 613010^2 + 611567^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-749795455589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (749795454589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374897727794 + 374897727795.

It is an arithmetic number, because the mean of its divisors is an integer number (374897727795).

Almost surely, 2^749795455589 is an apocalyptic number.

It is an amenable number.

749795455589 is a deficient number, since it is larger than the sum of its proper divisors (1).

749795455589 is an equidigital number, since it uses as much as digits as its factorization.

749795455589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2857680000, while the sum is 77.

The spelling of 749795455589 in words is "seven hundred forty-nine billion, seven hundred ninety-five million, four hundred fifty-five thousand, five hundred eighty-nine".