230172298849 has 2 divisors, whose sum is σ = 230172298850. Its totient is φ = 230172298848.

The previous prime is 230172298843. The next prime is 230172298871. The reversal of 230172298849 is 948892271032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 228732627600 + 1439671249 = 478260^2 + 37943^2 .

It is a cyclic number.

It is not a de Polignac number, because 230172298849 - 2⁷ = 230172298721 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 230172298849.

It is not a weakly prime, because it can be changed into another prime (230172298843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115086149424 + 115086149425.

It is an arithmetic number, because the mean of its divisors is an integer number (115086149425).

Almost surely, 2^230172298849 is an apocalyptic number.

It is an amenable number.

230172298849 is a deficient number, since it is larger than the sum of its proper divisors (1).

230172298849 is an equidigital number, since it uses as much as digits as its factorization.

230172298849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3483648, while the sum is 55.

The spelling of 230172298849 in words is "two hundred thirty billion, one hundred seventy-two million, two hundred ninety-eight thousand, eight hundred forty-nine".