19612411471 has 4 divisors (see below), whose sum is σ = 20766082752. Its totient is φ = 18458740192.

The previous prime is 19612411451. The next prime is 19612411493. The reversal of 19612411471 is 17411421691.

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

It is a cyclic number.

It is not a de Polignac number, because 19612411471 - 2⁹ = 19612410959 is a prime.

It is a super-3 number, since 3×19612411471³ (a number of 32 digits) contains 333 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 19612411471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19612411411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 576835615 + ... + 576835648.

It is an arithmetic number, because the mean of its divisors is an integer number (5191520688).

Almost surely, 2^19612411471 is an apocalyptic number.

19612411471 is a deficient number, since it is larger than the sum of its proper divisors (1153671281).

19612411471 is a wasteful number, since it uses less digits than its factorization.

19612411471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153671280.

The product of its digits is 12096, while the sum is 37.

The spelling of 19612411471 in words is "nineteen billion, six hundred twelve million, four hundred eleven thousand, four hundred seventy-one".