14889019867 has 2 divisors, whose sum is σ = 14889019868. Its totient is φ = 14889019866.

The previous prime is 14889019861. The next prime is 14889019897. The reversal of 14889019867 is 76891098841.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14889019867 is a prime.

It is not a weakly prime, because it can be changed into another prime (14889019861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7444509933 + 7444509934.

It is an arithmetic number, because the mean of its divisors is an integer number (7444509934).

Almost surely, 2^14889019867 is an apocalyptic number.

14889019867 is a deficient number, since it is larger than the sum of its proper divisors (1).

14889019867 is an equidigital number, since it uses as much as digits as its factorization.

14889019867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6967296, while the sum is 61.

The spelling of 14889019867 in words is "fourteen billion, eight hundred eighty-nine million, nineteen thousand, eight hundred sixty-seven".