234654146789 has 2 divisors, whose sum is σ = 234654146790. Its totient is φ = 234654146788.

The previous prime is 234654146777. The next prime is 234654146803. The reversal of 234654146789 is 987641456432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 181149830689 + 53504316100 = 425617^2 + 231310^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234654146789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234654146189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117327073394 + 117327073395.

It is an arithmetic number, because the mean of its divisors is an integer number (117327073395).

Almost surely, 2^234654146789 is an apocalyptic number.

It is an amenable number.

234654146789 is a deficient number, since it is larger than the sum of its proper divisors (1).

234654146789 is an equidigital number, since it uses as much as digits as its factorization.

234654146789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34836480, while the sum is 59.

The spelling of 234654146789 in words is "two hundred thirty-four billion, six hundred fifty-four million, one hundred forty-six thousand, seven hundred eighty-nine".