19829474401 has 8 divisors (see below), whose sum is σ = 21635047584. Its totient is φ = 18024383520.

The previous prime is 19829474369. The next prime is 19829474447. The reversal of 19829474401 is 10447492891.

It is a happy number.

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

It is not a de Polignac number, because 19829474401 - 2⁵ = 19829474369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19829474801) 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, 31756 + ... + 201661.

It is an arithmetic number, because the mean of its divisors is an integer number (2704380948).

Almost surely, 2^19829474401 is an apocalyptic number.

19829474401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

19829474401 is a deficient number, since it is larger than the sum of its proper divisors (1805573183).

19829474401 is a wasteful number, since it uses less digits than its factorization.

19829474401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241151.

The product of its (nonzero) digits is 580608, while the sum is 49.

The spelling of 19829474401 in words is "nineteen billion, eight hundred twenty-nine million, four hundred seventy-four thousand, four hundred one".