298954539866791 has 2 divisors, whose sum is σ = 298954539866792. Its totient is φ = 298954539866790.

The previous prime is 298954539866699. The next prime is 298954539866867. The reversal of 298954539866791 is 197668935459892.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 298954539866791 - 2²¹ = 298954537769639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 298954539866696 and 298954539866705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (298954539566791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149477269933395 + 149477269933396.

It is an arithmetic number, because the mean of its divisors is an integer number (149477269933396).

Almost surely, 2^{298954539866791} is an apocalyptic number.

298954539866791 is a deficient number, since it is larger than the sum of its proper divisors (1).

298954539866791 is an equidigital number, since it uses as much as digits as its factorization.

298954539866791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63489484800, while the sum is 91.

The spelling of 298954539866791 in words is "two hundred ninety-eight trillion, nine hundred fifty-four billion, five hundred thirty-nine million, eight hundred sixty-six thousand, seven hundred ninety-one".