19769896711 has 2 divisors, whose sum is σ = 19769896712. Its totient is φ = 19769896710.

The previous prime is 19769896709. The next prime is 19769896781. The reversal of 19769896711 is 11769896791.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 19769896711 - 2¹ = 19769896709 is a prime.

Together with 19769896709, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19769896781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9884948355 + 9884948356.

It is an arithmetic number, because the mean of its divisors is an integer number (9884948356).

Almost surely, 2^19769896711 is an apocalyptic number.

19769896711 is a deficient number, since it is larger than the sum of its proper divisors (1).

19769896711 is an equidigital number, since it uses as much as digits as its factorization.

19769896711 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10287648, while the sum is 64.

The spelling of 19769896711 in words is "nineteen billion, seven hundred sixty-nine million, eight hundred ninety-six thousand, seven hundred eleven".