749031887709 has 32 divisors (see below), whose sum is σ = 1342802269440. Its totient is φ = 402840677376.

The previous prime is 749031887677. The next prime is 749031887713. The reversal of 749031887709 is 907788130947.

It is not a de Polignac number, because 749031887709 - 2⁵ = 749031887677 is a prime.

It is a super-2 number, since 2×749031887709² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749031887719) 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 31 ways as a sum of consecutive naturals, for example, 116559484 + ... + 116565909.

It is an arithmetic number, because the mean of its divisors is an integer number (41962570920).

Almost surely, 2^749031887709 is an apocalyptic number.

It is an amenable number.

749031887709 is a deficient number, since it is larger than the sum of its proper divisors (593770381731).

749031887709 is a wasteful number, since it uses less digits than its factorization.

749031887709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233125426 (or 233125420 counting only the distinct ones).

The product of its (nonzero) digits is 21337344, while the sum is 63.

The spelling of 749031887709 in words is "seven hundred forty-nine billion, thirty-one million, eight hundred eighty-seven thousand, seven hundred nine".