13909836667 has 2 divisors, whose sum is σ = 13909836668. Its totient is φ = 13909836666.

The previous prime is 13909836607. The next prime is 13909836761. The reversal of 13909836667 is 76663890931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13909836667 - 2¹⁹ = 13909312379 is a prime.

It is a super-2 number, since 2×13909836667² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13909836607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6954918333 + 6954918334.

It is an arithmetic number, because the mean of its divisors is an integer number (6954918334).

Almost surely, 2^13909836667 is an apocalyptic number.

13909836667 is a deficient number, since it is larger than the sum of its proper divisors (1).

13909836667 is an equidigital number, since it uses as much as digits as its factorization.

13909836667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8817984, while the sum is 58.

The spelling of 13909836667 in words is "thirteen billion, nine hundred nine million, eight hundred thirty-six thousand, six hundred sixty-seven".