749659956949 has 2 divisors, whose sum is σ = 749659956950. Its totient is φ = 749659956948.

The previous prime is 749659956919. The next prime is 749659956973. The reversal of 749659956949 is 949659956947.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 598949070724 + 150710886225 = 773918^2 + 388215^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-749659956949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (749659956919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374829978474 + 374829978475.

It is an arithmetic number, because the mean of its divisors is an integer number (374829978475).

Almost surely, 2^749659956949 is an apocalyptic number.

It is an amenable number.

749659956949 is a deficient number, since it is larger than the sum of its proper divisors (1).

749659956949 is an equidigital number, since it uses as much as digits as its factorization.

749659956949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5952139200, while the sum is 82.

The spelling of 749659956949 in words is "seven hundred forty-nine billion, six hundred fifty-nine million, nine hundred fifty-six thousand, nine hundred forty-nine".