16273899127 has 2 divisors, whose sum is σ = 16273899128. Its totient is φ = 16273899126.

The previous prime is 16273899121. The next prime is 16273899157. The reversal of 16273899127 is 72199837261.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16273899127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16273899121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8136949563 + 8136949564.

It is an arithmetic number, because the mean of its divisors is an integer number (8136949564).

Almost surely, 2^16273899127 is an apocalyptic number.

16273899127 is a deficient number, since it is larger than the sum of its proper divisors (1).

16273899127 is an equidigital number, since it uses as much as digits as its factorization.

16273899127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2286144, while the sum is 55.

The spelling of 16273899127 in words is "sixteen billion, two hundred seventy-three million, eight hundred ninety-nine thousand, one hundred twenty-seven".