749473513 has 2 divisors, whose sum is σ = 749473514. Its totient is φ = 749473512.

The previous prime is 749473499. The next prime is 749473547. The reversal of 749473513 is 315374947.

749473513 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., 656794384 + 92679129 = 25628^2 + 9627^2 .

It is an emirp because it is prime and its reverse (315374947) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 749473513 - 2⁹ = 749473001 is a prime.

It is a super-2 number, since 2×749473513² = 1123421093377122338, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 749473513.

It is not a weakly prime, because it can be changed into another prime (749473573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374736756 + 374736757.

It is an arithmetic number, because the mean of its divisors is an integer number (374736757).

Almost surely, 2^749473513 is an apocalyptic number.

It is an amenable number.

749473513 is a deficient number, since it is larger than the sum of its proper divisors (1).

749473513 is an equidigital number, since it uses as much as digits as its factorization.

749473513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 317520, while the sum is 43.

The square root of 749473513 is about 27376.5138942123. The cubic root of 749473513 is about 908.3476487901.

The spelling of 749473513 in words is "seven hundred forty-nine million, four hundred seventy-three thousand, five hundred thirteen".