14151971219 has 2 divisors, whose sum is σ = 14151971220. Its totient is φ = 14151971218.

The previous prime is 14151971213. The next prime is 14151971263. The reversal of 14151971219 is 91217915141.

It is a weak prime.

It is an emirp because it is prime and its reverse (91217915141) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14151971219 is a prime.

It is a super-2 number, since 2×14151971219² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14151971213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7075985609 + 7075985610.

It is an arithmetic number, because the mean of its divisors is an integer number (7075985610).

Almost surely, 2^14151971219 is an apocalyptic number.

14151971219 is a deficient number, since it is larger than the sum of its proper divisors (1).

14151971219 is an equidigital number, since it uses as much as digits as its factorization.

14151971219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 41.

The spelling of 14151971219 in words is "fourteen billion, one hundred fifty-one million, nine hundred seventy-one thousand, two hundred nineteen".