749898313 has 2 divisors, whose sum is σ = 749898314. Its totient is φ = 749898312.

The previous prime is 749898311. The next prime is 749898329. The reversal of 749898313 is 313898947.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 649638144 + 100260169 = 25488^2 + 10013^2 .

It is a cyclic number.

It is not a de Polignac number, because 749898313 - 2¹ = 749898311 is a prime.

Together with 749898311, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (749898311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374949156 + 374949157.

It is an arithmetic number, because the mean of its divisors is an integer number (374949157).

Almost surely, 2^749898313 is an apocalyptic number.

It is an amenable number.

749898313 is a deficient number, since it is larger than the sum of its proper divisors (1).

749898313 is an equidigital number, since it uses as much as digits as its factorization.

749898313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1306368, while the sum is 52.

The square root of 749898313 is about 27384.2712702018. The cubic root of 749898313 is about 908.5192328842.

The spelling of 749898313 in words is "seven hundred forty-nine million, eight hundred ninety-eight thousand, three hundred thirteen".