13691982607 has 2 divisors, whose sum is σ = 13691982608. Its totient is φ = 13691982606.

The previous prime is 13691982587. The next prime is 13691982641. The reversal of 13691982607 is 70628919631.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13691982607 - 2¹¹ = 13691980559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13691982107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6845991303 + 6845991304.

It is an arithmetic number, because the mean of its divisors is an integer number (6845991304).

Almost surely, 2^13691982607 is an apocalyptic number.

13691982607 is a deficient number, since it is larger than the sum of its proper divisors (1).

13691982607 is an equidigital number, since it uses as much as digits as its factorization.

13691982607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 979776, while the sum is 52.

The spelling of 13691982607 in words is "thirteen billion, six hundred ninety-one million, nine hundred eighty-two thousand, six hundred seven".