744868539872 has 12 divisors (see below), whose sum is σ = 1466459937936. Its totient is φ = 372434269920.

The previous prime is 744868539799. The next prime is 744868539889. The reversal of 744868539872 is 278935868447.

It is a junction number, because it is equal to n+sod(n) for n = 744868539796 and 744868539805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11638570904 + ... + 11638570967.

It is an arithmetic number, because the mean of its divisors is an integer number (122204994828).

Almost surely, 2^744868539872 is an apocalyptic number.

It is an amenable number.

744868539872 is a deficient number, since it is larger than the sum of its proper divisors (721591398064).

744868539872 is a wasteful number, since it uses less digits than its factorization.

744868539872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23277141881 (or 23277141873 counting only the distinct ones).

The product of its digits is 650280960, while the sum is 71.

The spelling of 744868539872 in words is "seven hundred forty-four billion, eight hundred sixty-eight million, five hundred thirty-nine thousand, eight hundred seventy-two".