744868539805 has 16 divisors (see below), whose sum is σ = 962617595184. Its totient is φ = 550046338560.

The previous prime is 744868539799. The next prime is 744868539889. The reversal of 744868539805 is 508935868447.

It can be written as a sum of positive squares in 8 ways, for example, as 94361796 + 744774178009 = 9714^2 + 863003^2 .

It is not a de Polignac number, because 744868539805 - 2³ = 744868539797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5794287 + ... + 5921443.

It is an arithmetic number, because the mean of its divisors is an integer number (60163599699).

Almost surely, 2^744868539805 is an apocalyptic number.

It is an amenable number.

744868539805 is a deficient number, since it is larger than the sum of its proper divisors (217749055379).

744868539805 is a wasteful number, since it uses less digits than its factorization.

744868539805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217296.

The product of its (nonzero) digits is 232243200, while the sum is 67.

The spelling of 744868539805 in words is "seven hundred forty-four billion, eight hundred sixty-eight million, five hundred thirty-nine thousand, eight hundred five".