298735126693 has 2 divisors, whose sum is σ = 298735126694. Its totient is φ = 298735126692.

The previous prime is 298735126637. The next prime is 298735126727. The reversal of 298735126693 is 396621537892.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 189648927169 + 109086199524 = 435487^2 + 330282^2 .

It is a cyclic number.

It is not a de Polignac number, because 298735126693 - 2¹³ = 298735118501 is a prime.

It is a super-2 number, since 2×298735126693² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (298735126603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149367563346 + 149367563347.

It is an arithmetic number, because the mean of its divisors is an integer number (149367563347).

Almost surely, 2^298735126693 is an apocalyptic number.

It is an amenable number.

298735126693 is a deficient number, since it is larger than the sum of its proper divisors (1).

298735126693 is an equidigital number, since it uses as much as digits as its factorization.

298735126693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29393280, while the sum is 61.

The spelling of 298735126693 in words is "two hundred ninety-eight billion, seven hundred thirty-five million, one hundred twenty-six thousand, six hundred ninety-three".