230621694139 has 2 divisors, whose sum is σ = 230621694140. Its totient is φ = 230621694138.

The previous prime is 230621694113. The next prime is 230621694151. The reversal of 230621694139 is 931496126032.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 230621694139 - 2¹⁹ = 230621169851 is a prime.

It is not a weakly prime, because it can be changed into another prime (230621694169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115310847069 + 115310847070.

It is an arithmetic number, because the mean of its divisors is an integer number (115310847070).

Almost surely, 2^230621694139 is an apocalyptic number.

230621694139 is a deficient number, since it is larger than the sum of its proper divisors (1).

230621694139 is an equidigital number, since it uses as much as digits as its factorization.

230621694139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 419904, while the sum is 46.

The spelling of 230621694139 in words is "two hundred thirty billion, six hundred twenty-one million, six hundred ninety-four thousand, one hundred thirty-nine".