239294914561 has 2 divisors, whose sum is σ = 239294914562. Its totient is φ = 239294914560.

The previous prime is 239294914519. The next prime is 239294914577. The reversal of 239294914561 is 165419492932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 212549582961 + 26745331600 = 461031^2 + 163540^2 .

It is a cyclic number.

It is not a de Polignac number, because 239294914561 - 2¹⁹ = 239294390273 is a prime.

It is a super-2 number, since 2×239294914561² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (239294914501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119647457280 + 119647457281.

It is an arithmetic number, because the mean of its divisors is an integer number (119647457281).

Almost surely, 2^239294914561 is an apocalyptic number.

It is an amenable number.

239294914561 is a deficient number, since it is larger than the sum of its proper divisors (1).

239294914561 is an equidigital number, since it uses as much as digits as its factorization.

239294914561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4199040, while the sum is 55.

The spelling of 239294914561 in words is "two hundred thirty-nine billion, two hundred ninety-four million, nine hundred fourteen thousand, five hundred sixty-one".