235643346479 has 2 divisors, whose sum is σ = 235643346480. Its totient is φ = 235643346478.

The previous prime is 235643346451. The next prime is 235643346553. The reversal of 235643346479 is 974643346532.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 235643346479 - 2²⁰ = 235642297903 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (235643346409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117821673239 + 117821673240.

It is an arithmetic number, because the mean of its divisors is an integer number (117821673240).

Almost surely, 2^235643346479 is an apocalyptic number.

235643346479 is a deficient number, since it is larger than the sum of its proper divisors (1).

235643346479 is an equidigital number, since it uses as much as digits as its factorization.

235643346479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 39191040, while the sum is 56.

The spelling of 235643346479 in words is "two hundred thirty-five billion, six hundred forty-three million, three hundred forty-six thousand, four hundred seventy-nine".