19472119761 has 8 divisors (see below), whose sum is σ = 26098758144. Its totient is φ = 12913447280.

The previous prime is 19472119741. The next prime is 19472119763. The reversal of 19472119761 is 16791127491.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 19472119761 - 2¹⁰ = 19472118737 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 19472119761.

It is not an unprimeable number, because it can be changed into a prime (19472119763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16990806 + ... + 16991951.

It is an arithmetic number, because the mean of its divisors is an integer number (3262344768).

Almost surely, 2^19472119761 is an apocalyptic number.

It is an amenable number.

19472119761 is a deficient number, since it is larger than the sum of its proper divisors (6626638383).

19472119761 is a wasteful number, since it uses less digits than its factorization.

19472119761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33982951.

The product of its digits is 190512, while the sum is 48.

The spelling of 19472119761 in words is "nineteen billion, four hundred seventy-two million, one hundred nineteen thousand, seven hundred sixty-one".