234427646647 has 2 divisors, whose sum is σ = 234427646648. Its totient is φ = 234427646646.

The previous prime is 234427646627. The next prime is 234427646659. The reversal of 234427646647 is 746646724432.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234427646647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234427646627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117213823323 + 117213823324.

It is an arithmetic number, because the mean of its divisors is an integer number (117213823324).

Almost surely, 2^234427646647 is an apocalyptic number.

234427646647 is a deficient number, since it is larger than the sum of its proper divisors (1).

234427646647 is an equidigital number, since it uses as much as digits as its factorization.

234427646647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32514048, while the sum is 55.

The spelling of 234427646647 in words is "two hundred thirty-four billion, four hundred twenty-seven million, six hundred forty-six thousand, six hundred forty-seven".