749518081744 has 10 divisors (see below), whose sum is σ = 1452191283410. Its totient is φ = 374759040864.

The previous prime is 749518081699. The next prime is 749518081769. The reversal of 749518081744 is 447180815947.

It can be written as a sum of positive squares in only one way, i.e., 749505747600 + 12334144 = 865740^2 + 3512^2 .

It is a super-2 number, since 2×749518081744² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23422440039 + ... + 23422440070.

It is an arithmetic number, because the mean of its divisors is an integer number (145219128341).

Almost surely, 2^749518081744 is an apocalyptic number.

It is an amenable number.

749518081744 is a deficient number, since it is larger than the sum of its proper divisors (702673201666).

749518081744 is a wasteful number, since it uses less digits than its factorization.

749518081744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46844880117 (or 46844880111 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 58.

The spelling of 749518081744 in words is "seven hundred forty-nine billion, five hundred eighteen million, eighty-one thousand, seven hundred forty-four".