749297848019 has 16 divisors (see below), whose sum is σ = 875718593280. Its totient is φ = 627850841760.

The previous prime is 749297848009. The next prime is 749297848021. The reversal of 749297848019 is 910848792947.

It is a cyclic number.

It is not a de Polignac number, because 749297848019 - 2²⁸ = 749029412563 is a prime.

It is a super-2 number, since 2×749297848019² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 749297848019.

It is not an unprimeable number, because it can be changed into a prime (749297848009) 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 in 15 ways as a sum of consecutive naturals, for example, 5313209 + ... + 5452410.

It is an arithmetic number, because the mean of its divisors is an integer number (54732412080).

Almost surely, 2^749297848019 is an apocalyptic number.

749297848019 is a deficient number, since it is larger than the sum of its proper divisors (126420745261).

749297848019 is a wasteful number, since it uses less digits than its factorization.

749297848019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10765850.

The product of its (nonzero) digits is 73156608, while the sum is 68.

The spelling of 749297848019 in words is "seven hundred forty-nine billion, two hundred ninety-seven million, eight hundred forty-eight thousand, nineteen".