749683933081 has 4 divisors (see below), whose sum is σ = 759173603200. Its totient is φ = 740194262964.

The previous prime is 749683933067. The next prime is 749683933091. The reversal of 749683933081 is 180339386947.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-749683933081 is a prime.

It is a super-2 number, since 2×749683933081² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (749683933091) 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 3 ways as a sum of consecutive naturals, for example, 4744834941 + ... + 4744835098.

It is an arithmetic number, because the mean of its divisors is an integer number (189793400800).

Almost surely, 2^749683933081 is an apocalyptic number.

It is an amenable number.

749683933081 is a deficient number, since it is larger than the sum of its proper divisors (9489670119).

749683933081 is an equidigital number, since it uses as much as digits as its factorization.

749683933081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9489670118.

The product of its (nonzero) digits is 23514624, while the sum is 61.

The spelling of 749683933081 in words is "seven hundred forty-nine billion, six hundred eighty-three million, nine hundred thirty-three thousand, eighty-one".