749898311 has 2 divisors, whose sum is σ = 749898312. Its totient is φ = 749898310.

The previous prime is 749898307. The next prime is 749898313. The reversal of 749898311 is 113898947.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 749898311 - 2² = 749898307 is a prime.

Together with 749898313, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 749898311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (749898313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374949155 + 374949156.

It is an arithmetic number, because the mean of its divisors is an integer number (374949156).

Almost surely, 2^749898311 is an apocalyptic number.

749898311 is a deficient number, since it is larger than the sum of its proper divisors (1).

749898311 is an equidigital number, since it uses as much as digits as its factorization.

749898311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 50.

The square root of 749898311 is about 27384.2712336845. The cubic root of 749898311 is about 908.5192320766.

The spelling of 749898311 in words is "seven hundred forty-nine million, eight hundred ninety-eight thousand, three hundred eleven".