10298686691 has 2 divisors, whose sum is σ = 10298686692. Its totient is φ = 10298686690.

The previous prime is 10298686681. The next prime is 10298686757. The reversal of 10298686691 is 19668689201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10298686691 - 2²² = 10294492387 is a prime.

It is not a weakly prime, because it can be changed into another prime (10298686631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5149343345 + 5149343346.

It is an arithmetic number, because the mean of its divisors is an integer number (5149343346).

Almost surely, 2^10298686691 is an apocalyptic number.

10298686691 is a deficient number, since it is larger than the sum of its proper divisors (1).

10298686691 is an equidigital number, since it uses as much as digits as its factorization.

10298686691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2239488, while the sum is 56.

The spelling of 10298686691 in words is "ten billion, two hundred ninety-eight million, six hundred eighty-six thousand, six hundred ninety-one".