650942893 has 2 divisors, whose sum is σ = 650942894. Its totient is φ = 650942892.

The previous prime is 650942843. The next prime is 650942909. The reversal of 650942893 is 398249056.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 649128484 + 1814409 = 25478^2 + 1347^2 .

It is a cyclic number.

It is not a de Polignac number, because 650942893 - 2²¹ = 648845741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (650942833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325471446 + 325471447.

It is an arithmetic number, because the mean of its divisors is an integer number (325471447).

Almost surely, 2^650942893 is an apocalyptic number.

It is an amenable number.

650942893 is a deficient number, since it is larger than the sum of its proper divisors (1).

650942893 is an equidigital number, since it uses as much as digits as its factorization.

650942893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 466560, while the sum is 46.

The square root of 650942893 is about 25513.5825199050. The cubic root of 650942893 is about 866.6577597868.

The spelling of 650942893 in words is "six hundred fifty million, nine hundred forty-two thousand, eight hundred ninety-three".