424309536691 has 2 divisors, whose sum is σ = 424309536692. Its totient is φ = 424309536690.

The previous prime is 424309536671. The next prime is 424309536697. The reversal of 424309536691 is 196635903424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 424309536691 - 2²⁵ = 424275982259 is a prime.

It is not a weakly prime, because it can be changed into another prime (424309536697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212154768345 + 212154768346.

It is an arithmetic number, because the mean of its divisors is an integer number (212154768346).

Almost surely, 2^424309536691 is an apocalyptic number.

424309536691 is a deficient number, since it is larger than the sum of its proper divisors (1).

424309536691 is an equidigital number, since it uses as much as digits as its factorization.

424309536691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4199040, while the sum is 52.

The spelling of 424309536691 in words is "four hundred twenty-four billion, three hundred nine million, five hundred thirty-six thousand, six hundred ninety-one".