744245969065 has 4 divisors (see below), whose sum is σ = 893095162884. Its totient is φ = 595396775248.

The previous prime is 744245969059. The next prime is 744245969111. The reversal of 744245969065 is 560969542447.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 162205146009 + 582040823056 = 402747^2 + 762916^2 .

It is a cyclic number.

It is not a de Polignac number, because 744245969065 - 2³ = 744245969057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 744245968994 and 744245969012.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74424596902 + ... + 74424596911.

It is an arithmetic number, because the mean of its divisors is an integer number (223273790721).

Almost surely, 2^744245969065 is an apocalyptic number.

It is an amenable number.

744245969065 is a deficient number, since it is larger than the sum of its proper divisors (148849193819).

744245969065 is a wasteful number, since it uses less digits than its factorization.

744245969065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148849193818.

The product of its (nonzero) digits is 65318400, while the sum is 61.

The spelling of 744245969065 in words is "seven hundred forty-four billion, two hundred forty-five million, nine hundred sixty-nine thousand, sixty-five".