235641424871 has 2 divisors, whose sum is σ = 235641424872. Its totient is φ = 235641424870.

The previous prime is 235641424867. The next prime is 235641424943. The reversal of 235641424871 is 178424146532.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 235641424871 - 2² = 235641424867 is a prime.

It is a super-2 number, since 2×235641424871² (a number of 24 digits) contains 22 as substring.

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 (235641424861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117820712435 + 117820712436.

It is an arithmetic number, because the mean of its divisors is an integer number (117820712436).

Almost surely, 2^235641424871 is an apocalyptic number.

235641424871 is a deficient number, since it is larger than the sum of its proper divisors (1).

235641424871 is an equidigital number, since it uses as much as digits as its factorization.

235641424871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1290240, while the sum is 47.

The spelling of 235641424871 in words is "two hundred thirty-five billion, six hundred forty-one million, four hundred twenty-four thousand, eight hundred seventy-one".