14154440491 has 2 divisors, whose sum is σ = 14154440492. Its totient is φ = 14154440490.

The previous prime is 14154440483. The next prime is 14154440501. The reversal of 14154440491 is 19404445141.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14154440491 - 2³ = 14154440483 is a prime.

It is a super-2 number, since 2×14154440491² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14154440491.

It is not a weakly prime, because it can be changed into another prime (14154440411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7077220245 + 7077220246.

It is an arithmetic number, because the mean of its divisors is an integer number (7077220246).

Almost surely, 2^14154440491 is an apocalyptic number.

14154440491 is a deficient number, since it is larger than the sum of its proper divisors (1).

14154440491 is an equidigital number, since it uses as much as digits as its factorization.

14154440491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 37.

The spelling of 14154440491 in words is "fourteen billion, one hundred fifty-four million, four hundred forty thousand, four hundred ninety-one".