11698962689 has 2 divisors, whose sum is σ = 11698962690. Its totient is φ = 11698962688.

The previous prime is 11698962629. The next prime is 11698962721. The reversal of 11698962689 is 98626989611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9069324289 + 2629638400 = 95233^2 + 51280^2 .

It is an emirp because it is prime and its reverse (98626989611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11698962689 - 2¹⁶ = 11698897153 is a prime.

It is a super-2 number, since 2×11698962689² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11698962619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5849481344 + 5849481345.

It is an arithmetic number, because the mean of its divisors is an integer number (5849481345).

Almost surely, 2^11698962689 is an apocalyptic number.

It is an amenable number.

11698962689 is a deficient number, since it is larger than the sum of its proper divisors (1).

11698962689 is an equidigital number, since it uses as much as digits as its factorization.

11698962689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20155392, while the sum is 65.

The spelling of 11698962689 in words is "eleven billion, six hundred ninety-eight million, nine hundred sixty-two thousand, six hundred eighty-nine".