16427703349987 has 2 divisors, whose sum is σ = 16427703349988. Its totient is φ = 16427703349986.

The previous prime is 16427703349931. The next prime is 16427703350087. The reversal of 16427703349987 is 78994330772461.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16427703349987 - 2²⁷ = 16427569132259 is a prime.

It is not a weakly prime, because it can be changed into another prime (16427703449987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8213851674993 + 8213851674994.

It is an arithmetic number, because the mean of its divisors is an integer number (8213851674994).

Almost surely, 2^{16427703349987} is an apocalyptic number.

16427703349987 is a deficient number, since it is larger than the sum of its proper divisors (1).

16427703349987 is an equidigital number, since it uses as much as digits as its factorization.

16427703349987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384072192, while the sum is 70.

The spelling of 16427703349987 in words is "sixteen trillion, four hundred twenty-seven billion, seven hundred three million, three hundred forty-nine thousand, nine hundred eighty-seven".