239934093649 has 16 divisors (see below), whose sum is σ = 249193739520. Its totient is φ = 230866206480.

The previous prime is 239934093643. The next prime is 239934093661. The reversal of 239934093649 is 946390439932.

It is a cyclic number.

It is not a de Polignac number, because 239934093649 - 2⁷ = 239934093521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (239934093643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 677914 + ... + 969244.

It is an arithmetic number, because the mean of its divisors is an integer number (15574608720).

Almost surely, 2^239934093649 is an apocalyptic number.

It is an amenable number.

239934093649 is a deficient number, since it is larger than the sum of its proper divisors (9259645871).

239934093649 is a wasteful number, since it uses less digits than its factorization.

239934093649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291660.

The product of its (nonzero) digits is 34012224, while the sum is 61.

The spelling of 239934093649 in words is "two hundred thirty-nine billion, nine hundred thirty-four million, ninety-three thousand, six hundred forty-nine".