14165007491 has 2 divisors, whose sum is σ = 14165007492. Its totient is φ = 14165007490.

The previous prime is 14165007481. The next prime is 14165007511. The reversal of 14165007491 is 19470056141.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (19470056141) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14165007491 - 2¹⁰ = 14165006467 is a prime.

It is a super-2 number, since 2×14165007491² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14165007481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7082503745 + 7082503746.

It is an arithmetic number, because the mean of its divisors is an integer number (7082503746).

Almost surely, 2^14165007491 is an apocalyptic number.

14165007491 is a deficient number, since it is larger than the sum of its proper divisors (1).

14165007491 is an equidigital number, since it uses as much as digits as its factorization.

14165007491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 38.

The spelling of 14165007491 in words is "fourteen billion, one hundred sixty-five million, seven thousand, four hundred ninety-one".