16273456487 has 2 divisors, whose sum is σ = 16273456488. Its totient is φ = 16273456486.

The previous prime is 16273456447. The next prime is 16273456519. The reversal of 16273456487 is 78465437261.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16273456487 - 2¹⁰ = 16273455463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16273456447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8136728243 + 8136728244.

It is an arithmetic number, because the mean of its divisors is an integer number (8136728244).

Almost surely, 2^16273456487 is an apocalyptic number.

16273456487 is a deficient number, since it is larger than the sum of its proper divisors (1).

16273456487 is an equidigital number, since it uses as much as digits as its factorization.

16273456487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6773760, while the sum is 53.

The spelling of 16273456487 in words is "sixteen billion, two hundred seventy-three million, four hundred fifty-six thousand, four hundred eighty-seven".