646714283 has 2 divisors, whose sum is σ = 646714284. Its totient is φ = 646714282.

The previous prime is 646714193. The next prime is 646714417. The reversal of 646714283 is 382417646.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 646714283 - 2¹⁸ = 646452139 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 646714283.

It is not a weakly prime, because it can be changed into another prime (646710283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 323357141 + 323357142.

It is an arithmetic number, because the mean of its divisors is an integer number (323357142).

Almost surely, 2^646714283 is an apocalyptic number.

646714283 is a deficient number, since it is larger than the sum of its proper divisors (1).

646714283 is an equidigital number, since it uses as much as digits as its factorization.

646714283 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 41.

The square root of 646714283 is about 25430.5777165994. The cubic root of 646714283 is about 864.7770407794. Note that the first 3 decimals are identical.

The spelling of 646714283 in words is "six hundred forty-six million, seven hundred fourteen thousand, two hundred eighty-three".