14191648901 has 2 divisors, whose sum is σ = 14191648902. Its totient is φ = 14191648900.

The previous prime is 14191648883. The next prime is 14191648907. The reversal of 14191648901 is 10984619141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8111704225 + 6079944676 = 90065^2 + 77974^2 .

It is an emirp because it is prime and its reverse (10984619141) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14191648901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14191648907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7095824450 + 7095824451.

It is an arithmetic number, because the mean of its divisors is an integer number (7095824451).

Almost surely, 2^14191648901 is an apocalyptic number.

It is an amenable number.

14191648901 is a deficient number, since it is larger than the sum of its proper divisors (1).

14191648901 is an equidigital number, since it uses as much as digits as its factorization.

14191648901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 44.

The spelling of 14191648901 in words is "fourteen billion, one hundred ninety-one million, six hundred forty-eight thousand, nine hundred one".