19329081411 has 4 divisors (see below), whose sum is σ = 25772108552. Its totient is φ = 12886054272.

The previous prime is 19329081361. The next prime is 19329081439. The reversal of 19329081411 is 11418092391.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 19329081411 - 2⁶ = 19329081347 is a prime.

It is a super-2 number, since 2×19329081411² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 19329081411.

It is not an unprimeable number, because it can be changed into a prime (19329081461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3221513566 + ... + 3221513571.

It is an arithmetic number, because the mean of its divisors is an integer number (6443027138).

Almost surely, 2^19329081411 is an apocalyptic number.

19329081411 is a deficient number, since it is larger than the sum of its proper divisors (6443027141).

19329081411 is an equidigital number, since it uses as much as digits as its factorization.

19329081411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6443027140.

The product of its (nonzero) digits is 15552, while the sum is 39.

The spelling of 19329081411 in words is "nineteen billion, three hundred twenty-nine million, eighty-one thousand, four hundred eleven".