749344919 has 2 divisors, whose sum is σ = 749344920. Its totient is φ = 749344918.

The previous prime is 749344913. The next prime is 749344993. The reversal of 749344919 is 919443947.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 749344919 - 2⁴ = 749344903 is a prime.

It is a super-2 number, since 2×749344919² = 1123035615262233122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (749344913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374672459 + 374672460.

It is an arithmetic number, because the mean of its divisors is an integer number (374672460).

Almost surely, 2^749344919 is an apocalyptic number.

749344919 is a deficient number, since it is larger than the sum of its proper divisors (1).

749344919 is an equidigital number, since it uses as much as digits as its factorization.

749344919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 979776, while the sum is 50.

The square root of 749344919 is about 27374.1651744852. The cubic root of 749344919 is about 908.2956946575.

The spelling of 749344919 in words is "seven hundred forty-nine million, three hundred forty-four thousand, nine hundred nineteen".