744862989663 has 48 divisors (see below), whose sum is σ = 1177910400576. Its totient is φ = 450770987520.

The previous prime is 744862989599. The next prime is 744862989667. The reversal of 744862989663 is 366989268447.

744862989663 is a `hidden beast` number, since 7 + 4 + 486 + 2 + 9 + 89 + 6 + 63 = 666.

It is not a de Polignac number, because 744862989663 - 2⁶ = 744862989599 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 744862989591 and 744862989600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744862989667) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54855331 + ... + 54868907.

It is an arithmetic number, because the mean of its divisors is an integer number (24539800012).

Almost surely, 2^744862989663 is an apocalyptic number.

744862989663 is a deficient number, since it is larger than the sum of its proper divisors (433047410913).

744862989663 is a wasteful number, since it uses less digits than its factorization.

744862989663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21344 (or 21341 counting only the distinct ones).

The product of its digits is 752467968, while the sum is 72.

The spelling of 744862989663 in words is "seven hundred forty-four billion, eight hundred sixty-two million, nine hundred eighty-nine thousand, six hundred sixty-three".