298621155263 has 2 divisors, whose sum is σ = 298621155264. Its totient is φ = 298621155262.

The previous prime is 298621155241. The next prime is 298621155289. The reversal of 298621155263 is 362551126892.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 298621155263 - 2⁶ = 298621155199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (298621155163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149310577631 + 149310577632.

It is an arithmetic number, because the mean of its divisors is an integer number (149310577632).

Almost surely, 2^298621155263 is an apocalyptic number.

298621155263 is a deficient number, since it is larger than the sum of its proper divisors (1).

298621155263 is an equidigital number, since it uses as much as digits as its factorization.

298621155263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1555200, while the sum is 50.

The spelling of 298621155263 in words is "two hundred ninety-eight billion, six hundred twenty-one million, one hundred fifty-five thousand, two hundred sixty-three".