961427699 has 2 divisors, whose sum is σ = 961427700. Its totient is φ = 961427698.

The previous prime is 961427657. The next prime is 961427743. The reversal of 961427699 is 996724169.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-961427699 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 961427699.

It is not a weakly prime, because it can be changed into another prime (961427609) 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, 480713849 + 480713850.

It is an arithmetic number, because the mean of its divisors is an integer number (480713850).

Almost surely, 2^961427699 is an apocalyptic number.

961427699 is a deficient number, since it is larger than the sum of its proper divisors (1).

961427699 is an equidigital number, since it uses as much as digits as its factorization.

961427699 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1469664, while the sum is 53.

The square root of 961427699 is about 31006.8976035978. The cubic root of 961427699 is about 986.9736164666.

The spelling of 961427699 in words is "nine hundred sixty-one million, four hundred twenty-seven thousand, six hundred ninety-nine".