14097065991 has 4 divisors (see below), whose sum is σ = 18796087992. Its totient is φ = 9398043992.

The previous prime is 14097065987. The next prime is 14097065993. The reversal of 14097065991 is 19956079041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 14097065991 - 2² = 14097065987 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14097065993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2349510996 + ... + 2349511001.

It is an arithmetic number, because the mean of its divisors is an integer number (4699021998).

Almost surely, 2^14097065991 is an apocalyptic number.

14097065991 is a deficient number, since it is larger than the sum of its proper divisors (4699022001).

14097065991 is an equidigital number, since it uses as much as digits as its factorization.

14097065991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4699022000.

The product of its (nonzero) digits is 612360, while the sum is 51.

The spelling of 14097065991 in words is "fourteen billion, ninety-seven million, sixty-five thousand, nine hundred ninety-one".