653465963 has 2 divisors, whose sum is σ = 653465964. Its totient is φ = 653465962.

The previous prime is 653465951. The next prime is 653465983. The reversal of 653465963 is 369564356.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 653465963 - 2⁴ = 653465947 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (653465983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326732981 + 326732982.

It is an arithmetic number, because the mean of its divisors is an integer number (326732982).

Almost surely, 2^653465963 is an apocalyptic number.

653465963 is a deficient number, since it is larger than the sum of its proper divisors (1).

653465963 is an equidigital number, since it uses as much as digits as its factorization.

653465963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1749600, while the sum is 47.

The square root of 653465963 is about 25562.9803231157. The cubic root of 653465963 is about 867.7760448323.

The spelling of 653465963 in words is "six hundred fifty-three million, four hundred sixty-five thousand, nine hundred sixty-three".