234167425447 has 2 divisors, whose sum is σ = 234167425448. Its totient is φ = 234167425446.

The previous prime is 234167425369. The next prime is 234167425477. The reversal of 234167425447 is 744524761432.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234167425447 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 234167425447.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234167425477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117083712723 + 117083712724.

It is an arithmetic number, because the mean of its divisors is an integer number (117083712724).

Almost surely, 2^234167425447 is an apocalyptic number.

234167425447 is a deficient number, since it is larger than the sum of its proper divisors (1).

234167425447 is an equidigital number, since it uses as much as digits as its factorization.

234167425447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4515840, while the sum is 49.

The spelling of 234167425447 in words is "two hundred thirty-four billion, one hundred sixty-seven million, four hundred twenty-five thousand, four hundred forty-seven".