19608676487 has 2 divisors, whose sum is σ = 19608676488. Its totient is φ = 19608676486.

The previous prime is 19608676447. The next prime is 19608676531. The reversal of 19608676487 is 78467680691.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19608676487 is a prime.

It is a super-2 number, since 2×19608676487² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19608676447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9804338243 + 9804338244.

It is an arithmetic number, because the mean of its divisors is an integer number (9804338244).

Almost surely, 2^19608676487 is an apocalyptic number.

19608676487 is a deficient number, since it is larger than the sum of its proper divisors (1).

19608676487 is an equidigital number, since it uses as much as digits as its factorization.

19608676487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24385536, while the sum is 62.

The spelling of 19608676487 in words is "nineteen billion, six hundred eight million, six hundred seventy-six thousand, four hundred eighty-seven".