749800395959 has 4 divisors (see below), whose sum is σ = 752567187360. Its totient is φ = 747033604560.

The previous prime is 749800395919. The next prime is 749800395977. The reversal of 749800395959 is 959593008947.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 749800395959 - 2⁸ = 749800395703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749800395919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1383395294 + ... + 1383395835.

It is an arithmetic number, because the mean of its divisors is an integer number (188141796840).

Almost surely, 2^749800395959 is an apocalyptic number.

749800395959 is a deficient number, since it is larger than the sum of its proper divisors (2766791401).

749800395959 is a wasteful number, since it uses less digits than its factorization.

749800395959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2766791400.

The product of its (nonzero) digits is 110224800, while the sum is 68.

The spelling of 749800395959 in words is "seven hundred forty-nine billion, eight hundred million, three hundred ninety-five thousand, nine hundred fifty-nine".