19483116311691 has 16 divisors (see below), whose sum is σ = 28863948704800. Its totient is φ = 12988711498464.

The previous prime is 19483116311663. The next prime is 19483116311707. The reversal of 19483116311691 is 19611361138491.

It is a happy number.

19483116311691 is a `hidden beast` number, since 1 + 9 + 4 + 8 + 311 + 6 + 311 + 6 + 9 + 1 = 666.

It is not a de Polignac number, because 19483116311691 - 2⁴² = 15085069800587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19483116311621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15211605 + ... + 16442601.

It is an arithmetic number, because the mean of its divisors is an integer number (1803996794050).

Almost surely, 2^{19483116311691} is an apocalyptic number.

19483116311691 is a deficient number, since it is larger than the sum of its proper divisors (9380832393109).

19483116311691 is a wasteful number, since it uses less digits than its factorization.

19483116311691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1817195 (or 1817189 counting only the distinct ones).

The product of its digits is 839808, while the sum is 54.

The spelling of 19483116311691 in words is "nineteen trillion, four hundred eighty-three billion, one hundred sixteen million, three hundred eleven thousand, six hundred ninety-one".