650964407 has 2 divisors, whose sum is σ = 650964408. Its totient is φ = 650964406.

The previous prime is 650964397. The next prime is 650964409. The reversal of 650964407 is 704469056.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-650964407 is a prime.

Together with 650964409, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (650964409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325482203 + 325482204.

It is an arithmetic number, because the mean of its divisors is an integer number (325482204).

Almost surely, 2^650964407 is an apocalyptic number.

650964407 is a deficient number, since it is larger than the sum of its proper divisors (1).

650964407 is an equidigital number, since it uses as much as digits as its factorization.

650964407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 650964407 is about 25514.0041349844. The cubic root of 650964407 is about 866.6673075110.

The spelling of 650964407 in words is "six hundred fifty million, nine hundred sixty-four thousand, four hundred seven".