646314224647 has 16 divisors (see below), whose sum is σ = 795785078592. Its totient is φ = 511162871040.

The previous prime is 646314224623. The next prime is 646314224659. The reversal of 646314224647 is 746422413646.

It is a happy number.

646314224647 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 646314224647 - 2¹⁵ = 646314191879 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 646314224647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (646314222647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1208254 + ... + 1659067.

It is an arithmetic number, because the mean of its divisors is an integer number (49736567412).

Almost surely, 2^646314224647 is an apocalyptic number.

646314224647 is a deficient number, since it is larger than the sum of its proper divisors (149470853945).

646314224647 is a wasteful number, since it uses less digits than its factorization.

646314224647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2869818.

The product of its digits is 4644864, while the sum is 49.

The spelling of 646314224647 in words is "six hundred forty-six billion, three hundred fourteen million, two hundred twenty-four thousand, six hundred forty-seven".