19059719963 has 2 divisors, whose sum is σ = 19059719964. Its totient is φ = 19059719962.

The previous prime is 19059719947. The next prime is 19059719969. The reversal of 19059719963 is 36991795091.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 19059719963 - 2⁴ = 19059719947 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (19059719969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9529859981 + 9529859982.

It is an arithmetic number, because the mean of its divisors is an integer number (9529859982).

Almost surely, 2^19059719963 is an apocalyptic number.

19059719963 is a deficient number, since it is larger than the sum of its proper divisors (1).

19059719963 is an equidigital number, since it uses as much as digits as its factorization.

19059719963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4133430, while the sum is 59.

The spelling of 19059719963 in words is "nineteen billion, fifty-nine million, seven hundred nineteen thousand, nine hundred sixty-three".