234427346891 has 2 divisors, whose sum is σ = 234427346892. Its totient is φ = 234427346890.

The previous prime is 234427346833. The next prime is 234427346903. The reversal of 234427346891 is 198643724432.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 234427346891 - 2¹⁸ = 234427084747 is a prime.

It is not a weakly prime, because it can be changed into another prime (234427346801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117213673445 + 117213673446.

It is an arithmetic number, because the mean of its divisors is an integer number (117213673446).

Almost surely, 2^234427346891 is an apocalyptic number.

234427346891 is a deficient number, since it is larger than the sum of its proper divisors (1).

234427346891 is an equidigital number, since it uses as much as digits as its factorization.

234427346891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6967296, while the sum is 53.

The spelling of 234427346891 in words is "two hundred thirty-four billion, four hundred twenty-seven million, three hundred forty-six thousand, eight hundred ninety-one".