534668647 has 2 divisors, whose sum is σ = 534668648. Its totient is φ = 534668646.

The previous prime is 534668639. The next prime is 534668671. The reversal of 534668647 is 746866435.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 534668647 - 2³ = 534668639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 534668647.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (534668627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267334323 + 267334324.

It is an arithmetic number, because the mean of its divisors is an integer number (267334324).

Almost surely, 2^534668647 is an apocalyptic number.

534668647 is a deficient number, since it is larger than the sum of its proper divisors (1).

534668647 is an equidigital number, since it uses as much as digits as its factorization.

534668647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2903040, while the sum is 49.

The square root of 534668647 is about 23122.9030833068. The cubic root of 534668647 is about 811.6365059738.

The spelling of 534668647 in words is "five hundred thirty-four million, six hundred sixty-eight thousand, six hundred forty-seven".