650894429 has 2 divisors, whose sum is σ = 650894430. Its totient is φ = 650894428.

The previous prime is 650894369. The next prime is 650894443. The reversal of 650894429 is 924498056.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 599025625 + 51868804 = 24475^2 + 7202^2 .

It is a cyclic number.

It is not a de Polignac number, because 650894429 - 2⁸ = 650894173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (650894029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325447214 + 325447215.

It is an arithmetic number, because the mean of its divisors is an integer number (325447215).

Almost surely, 2^650894429 is an apocalyptic number.

It is an amenable number.

650894429 is a deficient number, since it is larger than the sum of its proper divisors (1).

650894429 is an equidigital number, since it uses as much as digits as its factorization.

650894429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 622080, while the sum is 47.

The square root of 650894429 is about 25512.6327336087. The cubic root of 650894429 is about 866.6362511186.

The spelling of 650894429 in words is "six hundred fifty million, eight hundred ninety-four thousand, four hundred twenty-nine".