12899450867 has 2 divisors, whose sum is σ = 12899450868. Its totient is φ = 12899450866.

The previous prime is 12899450803. The next prime is 12899450903. The reversal of 12899450867 is 76805499821.

It is a strong prime.

It is an emirp because it is prime and its reverse (76805499821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12899450867 - 2⁶ = 12899450803 is a prime.

It is not a weakly prime, because it can be changed into another prime (12899450167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6449725433 + 6449725434.

It is an arithmetic number, because the mean of its divisors is an integer number (6449725434).

Almost surely, 2^12899450867 is an apocalyptic number.

12899450867 is a deficient number, since it is larger than the sum of its proper divisors (1).

12899450867 is an equidigital number, since it uses as much as digits as its factorization.

12899450867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8709120, while the sum is 59.

The spelling of 12899450867 in words is "twelve billion, eight hundred ninety-nine million, four hundred fifty thousand, eight hundred sixty-seven".