647342208482 has 6 divisors (see below), whose sum is σ = 971015019489. Its totient is φ = 323670535320.

The previous prime is 647342208479. The next prime is 647342208503. The reversal of 647342208482 is 284802243746.

647342208482 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 573580537201 + 73761671281 = 757351^2 + 271591^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=568921.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 647342208482.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 853382 + ... + 1422302.

Almost surely, 2^647342208482 is an apocalyptic number.

647342208482 is a deficient number, since it is larger than the sum of its proper divisors (323672811007).

647342208482 is an frugal number, since it uses more digits than its factorization.

647342208482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137844 (or 568923 counting only the distinct ones).

The product of its (nonzero) digits is 4128768, while the sum is 50.

Multiplying 647342208482 by its sum of digits (50), we get a square (32367110424100 = 5689210²).

The spelling of 647342208482 in words is "six hundred forty-seven billion, three hundred forty-two million, two hundred eight thousand, four hundred eighty-two".