744653362489 has 9 divisors (see below), whose sum is σ = 755057703789. Its totient is φ = 734390500320.

The previous prime is 744653362477. The next prime is 744653362493. The reversal of 744653362489 is 984263356447.

The square root of 744653362489 is 862933.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 81907578025 + 662745784464 = 286195^2 + 814092^2 .

It is a de Polignac number, because none of the positive numbers 2^k-744653362489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (744653362889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 62988199 + ... + 63000019.

It is an arithmetic number, because the mean of its divisors is an integer number (83895300421).

Almost surely, 2^744653362489 is an apocalyptic number.

744653362489 is the 862933-rd square number.

744653362489 is the 431467-th centered octagonal number.

It is an amenable number.

744653362489 is a deficient number, since it is larger than the sum of its proper divisors (10404341300).

744653362489 is an frugal number, since it uses more digits than its factorization.

744653362489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23788 (or 11894 counting only the distinct ones).

The product of its digits is 104509440, while the sum is 61.

The spelling of 744653362489 in words is "seven hundred forty-four billion, six hundred fifty-three million, three hundred sixty-two thousand, four hundred eighty-nine".