744893414893 has 4 divisors (see below), whose sum is σ = 748793380608. Its totient is φ = 740993449180.

The previous prime is 744893414891. The next prime is 744893414897. The reversal of 744893414893 is 398414398447.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 398414398447 = 13 ⋅30647261419.

It is a cyclic number.

It is not a de Polignac number, because 744893414893 - 2¹ = 744893414891 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744893414891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1949982571 + ... + 1949982952.

It is an arithmetic number, because the mean of its divisors is an integer number (187198345152).

Almost surely, 2^744893414893 is an apocalyptic number.

It is an amenable number.

744893414893 is a deficient number, since it is larger than the sum of its proper divisors (3899965715).

744893414893 is a wasteful number, since it uses less digits than its factorization.

744893414893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3899965714.

The product of its digits is 83607552, while the sum is 64.

The spelling of 744893414893 in words is "seven hundred forty-four billion, eight hundred ninety-three million, four hundred fourteen thousand, eight hundred ninety-three".