239272730953 has 2 divisors, whose sum is σ = 239272730954. Its totient is φ = 239272730952.

The previous prime is 239272730927. The next prime is 239272730981. The reversal of 239272730953 is 359037272932.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 227574794304 + 11697936649 = 477048^2 + 108157^2 .

It is a cyclic number.

It is not a de Polignac number, because 239272730953 - 2³³ = 230682796361 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 239272730953.

It is not a weakly prime, because it can be changed into another prime (239272737953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119636365476 + 119636365477.

It is an arithmetic number, because the mean of its divisors is an integer number (119636365477).

Almost surely, 2^239272730953 is an apocalyptic number.

It is an amenable number.

239272730953 is a deficient number, since it is larger than the sum of its proper divisors (1).

239272730953 is an equidigital number, since it uses as much as digits as its factorization.

239272730953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4286520, while the sum is 52.

It can be divided in two parts, 239272 and 730953, that added together give a square (970225 = 985²).

The spelling of 239272730953 in words is "two hundred thirty-nine billion, two hundred seventy-two million, seven hundred thirty thousand, nine hundred fifty-three".