19676963 has 2 divisors, whose sum is σ = 19676964. Its totient is φ = 19676962.

The previous prime is 19676941. The next prime is 19676977. The reversal of 19676963 is 36967691.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 19676963 - 2¹⁸ = 19414819 is a prime.

It is not a weakly prime, because it can be changed into another prime (19676263) 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, 9838481 + 9838482.

It is an arithmetic number, because the mean of its divisors is an integer number (9838482).

Almost surely, 2^19676963 is an apocalyptic number.

19676963 is a deficient number, since it is larger than the sum of its proper divisors (1).

19676963 is an equidigital number, since it uses as much as digits as its factorization.

19676963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 367416, while the sum is 47.

The square root of 19676963 is about 4435.8722930220. The cubic root of 19676963 is about 269.9723931536.

The spelling of 19676963 in words is "nineteen million, six hundred seventy-six thousand, nine hundred sixty-three".