744421474250305 has 16 divisors (see below), whose sum is σ = 907524328801104. Its totient is φ = 586093842201600.

The previous prime is 744421474250263. The next prime is 744421474250309. The reversal of 744421474250305 is 503052474124447.

It can be written as a sum of positive squares in 8 ways, for example, as 15750135198736 + 728671339051569 = 3968644^2 + 26993913^2 .

It is not a de Polignac number, because 744421474250305 - 2⁷ = 744421474250177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (744421474250309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2231245546 + ... + 2231579155.

It is an arithmetic number, because the mean of its divisors is an integer number (56720270550069).

Almost surely, 2^{744421474250305} is an apocalyptic number.

It is an amenable number.

744421474250305 is a deficient number, since it is larger than the sum of its proper divisors (163102854550799).

744421474250305 is a wasteful number, since it uses less digits than its factorization.

744421474250305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4462825236.

The product of its (nonzero) digits is 15052800, while the sum is 52.

The spelling of 744421474250305 in words is "seven hundred forty-four trillion, four hundred twenty-one billion, four hundred seventy-four million, two hundred fifty thousand, three hundred five".