19829604719 has 2 divisors, whose sum is σ = 19829604720. Its totient is φ = 19829604718.

The previous prime is 19829604673. The next prime is 19829604737. The reversal of 19829604719 is 91740692891.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19829604719 is a prime.

It is a super-2 number, since 2×19829604719² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19829604019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9914802359 + 9914802360.

It is an arithmetic number, because the mean of its divisors is an integer number (9914802360).

Almost surely, 2^19829604719 is an apocalyptic number.

19829604719 is a deficient number, since it is larger than the sum of its proper divisors (1).

19829604719 is an equidigital number, since it uses as much as digits as its factorization.

19829604719 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1959552, while the sum is 56.

The spelling of 19829604719 in words is "nineteen billion, eight hundred twenty-nine million, six hundred four thousand, seven hundred nineteen".