14071639693 has 2 divisors, whose sum is σ = 14071639694. Its totient is φ = 14071639692.

The previous prime is 14071639667. The next prime is 14071639697. The reversal of 14071639693 is 39693617041.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8913814569 + 5157825124 = 94413^2 + 71818^2 .

It is a cyclic number.

It is not a de Polignac number, because 14071639693 - 2²⁵ = 14038085261 is a prime.

It is a super-2 number, since 2×14071639693² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14071639697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7035819846 + 7035819847.

It is an arithmetic number, because the mean of its divisors is an integer number (7035819847).

Almost surely, 2^14071639693 is an apocalyptic number.

It is an amenable number.

14071639693 is a deficient number, since it is larger than the sum of its proper divisors (1).

14071639693 is an equidigital number, since it uses as much as digits as its factorization.

14071639693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 734832, while the sum is 49.

The spelling of 14071639693 in words is "fourteen billion, seventy-one million, six hundred thirty-nine thousand, six hundred ninety-three".