14156441491 has 2 divisors, whose sum is σ = 14156441492. Its totient is φ = 14156441490.

The previous prime is 14156441479. The next prime is 14156441513. The reversal of 14156441491 is 19414465141.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14156441491 - 2¹³ = 14156433299 is a prime.

It is not a weakly prime, because it can be changed into another prime (14156441441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7078220745 + 7078220746.

It is an arithmetic number, because the mean of its divisors is an integer number (7078220746).

Almost surely, 2^14156441491 is an apocalyptic number.

14156441491 is a deficient number, since it is larger than the sum of its proper divisors (1).

14156441491 is an equidigital number, since it uses as much as digits as its factorization.

14156441491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 40.

The spelling of 14156441491 in words is "fourteen billion, one hundred fifty-six million, four hundred forty-one thousand, four hundred ninety-one".