749941919 has 2 divisors, whose sum is σ = 749941920. Its totient is φ = 749941918.

The previous prime is 749941901. The next prime is 749941931. The reversal of 749941919 is 919149947.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-749941919 is a prime.

It is a super-2 number, since 2×749941919² = 1124825763746805122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (749941949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374970959 + 374970960.

It is an arithmetic number, because the mean of its divisors is an integer number (374970960).

Almost surely, 2^749941919 is an apocalyptic number.

749941919 is a deficient number, since it is larger than the sum of its proper divisors (1).

749941919 is an equidigital number, since it uses as much as digits as its factorization.

749941919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 734832, while the sum is 53.

The square root of 749941919 is about 27385.0674455989. The cubic root of 749941919 is about 908.5368424370.

The spelling of 749941919 in words is "seven hundred forty-nine million, nine hundred forty-one thousand, nine hundred nineteen".