749488321089 has 32 divisors (see below), whose sum is σ = 1158825903360. Its totient is φ = 477853478784.

The previous prime is 749488321063. The next prime is 749488321091. The reversal of 749488321089 is 980123884947.

749488321089 is a `hidden beast` number, since 7 + 49 + 488 + 3 + 2 + 108 + 9 = 666.

It is not a de Polignac number, because 749488321089 - 2⁹ = 749488320577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (749488321019) by changing a digit.

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 in 31 ways as a sum of consecutive naturals, for example, 3671967 + ... + 3870699.

It is an arithmetic number, because the mean of its divisors is an integer number (36213309480).

Almost surely, 2^749488321089 is an apocalyptic number.

It is an amenable number.

749488321089 is a deficient number, since it is larger than the sum of its proper divisors (409337582271).

749488321089 is a wasteful number, since it uses less digits than its factorization.

749488321089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204838 (or 204832 counting only the distinct ones).

The product of its (nonzero) digits is 27869184, while the sum is 63.

The spelling of 749488321089 in words is "seven hundred forty-nine billion, four hundred eighty-eight million, three hundred twenty-one thousand, eighty-nine".