744497348605 has 16 divisors (see below), whose sum is σ = 910566358704. Its totient is φ = 584159247360.

The previous prime is 744497348591. The next prime is 744497348671. The reversal of 744497348605 is 506843794447.

It can be written as a sum of positive squares in 8 ways, for example, as 174274521444 + 570222827161 = 417462^2 + 755131^2 .

It is not a de Polignac number, because 744497348605 - 2⁷ = 744497348477 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, 291445 + ... + 1254565.

It is an arithmetic number, because the mean of its divisors is an integer number (56910397419).

Almost surely, 2^744497348605 is an apocalyptic number.

It is an amenable number.

744497348605 is a deficient number, since it is larger than the sum of its proper divisors (166069010099).

744497348605 is a wasteful number, since it uses less digits than its factorization.

744497348605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966096.

The product of its (nonzero) digits is 81285120, while the sum is 61.

The spelling of 744497348605 in words is "seven hundred forty-four billion, four hundred ninety-seven million, three hundred forty-eight thousand, six hundred five".