19340345411 has 2 divisors, whose sum is σ = 19340345412. Its totient is φ = 19340345410.

The previous prime is 19340345407. The next prime is 19340345449. The reversal of 19340345411 is 11454304391.

It is a weak prime.

It is an emirp because it is prime and its reverse (11454304391) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 19340345411 - 2² = 19340345407 is a prime.

It is not a weakly prime, because it can be changed into another prime (19340045411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9670172705 + 9670172706.

It is an arithmetic number, because the mean of its divisors is an integer number (9670172706).

Almost surely, 2^19340345411 is an apocalyptic number.

19340345411 is a deficient number, since it is larger than the sum of its proper divisors (1).

19340345411 is an equidigital number, since it uses as much as digits as its factorization.

19340345411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 19340345411 in words is "nineteen billion, three hundred forty million, three hundred forty-five thousand, four hundred eleven".