749659956919 has 2 divisors, whose sum is σ = 749659956920. Its totient is φ = 749659956918.

The previous prime is 749659956869. The next prime is 749659956949. The reversal of 749659956919 is 919659956947.

It is a strong prime.

It is an emirp because it is prime and its reverse (919659956947) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 749659956919 - 2⁹ = 749659956407 is a prime.

It is a super-2 number, since 2×749659956919² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (749659956949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374829978459 + 374829978460.

It is an arithmetic number, because the mean of its divisors is an integer number (374829978460).

Almost surely, 2^749659956919 is an apocalyptic number.

749659956919 is a deficient number, since it is larger than the sum of its proper divisors (1).

749659956919 is an equidigital number, since it uses as much as digits as its factorization.

749659956919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1488034800, while the sum is 79.

The spelling of 749659956919 in words is "seven hundred forty-nine billion, six hundred fifty-nine million, nine hundred fifty-six thousand, nine hundred nineteen".