2686969499 has 2 divisors, whose sum is σ = 2686969500. Its totient is φ = 2686969498.

The previous prime is 2686969447. The next prime is 2686969529. The reversal of 2686969499 is 9949696862.

2686969499 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2686969499 is a prime.

It is a super-2 number, since 2×2686969499² = 14439610177112622002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2686969199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1343484749 + 1343484750.

It is an arithmetic number, because the mean of its divisors is an integer number (1343484750).

Almost surely, 2^2686969499 is an apocalyptic number.

2686969499 is a deficient number, since it is larger than the sum of its proper divisors (1).

2686969499 is an equidigital number, since it uses as much as digits as its factorization.

2686969499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90699264, while the sum is 68.

The square root of 2686969499 is about 51835.9865248073. The cubic root of 2686969499 is about 1390.2329542451.

The spelling of 2686969499 in words is "two billion, six hundred eighty-six million, nine hundred sixty-nine thousand, four hundred ninety-nine".