239393947907 has 2 divisors, whose sum is σ = 239393947908. Its totient is φ = 239393947906.

The previous prime is 239393947847. The next prime is 239393947913. The reversal of 239393947907 is 709749393932.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 239393947907 - 2⁶ = 239393947843 is a prime.

It is not a weakly prime, because it can be changed into another prime (239393997907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119696973953 + 119696973954.

It is an arithmetic number, because the mean of its divisors is an integer number (119696973954).

Almost surely, 2^239393947907 is an apocalyptic number.

239393947907 is a deficient number, since it is larger than the sum of its proper divisors (1).

239393947907 is an equidigital number, since it uses as much as digits as its factorization.

239393947907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69441624, while the sum is 65.

The spelling of 239393947907 in words is "two hundred thirty-nine billion, three hundred ninety-three million, nine hundred forty-seven thousand, nine hundred seven".