19321242696 has 192 divisors, whose sum is σ = 63412502400. Its totient is φ = 5188184064.

The previous prime is 19321242673. The next prime is 19321242739. The reversal of 19321242696 is 69624212391.

19321242696 is a `hidden beast` number, since 1 + 9 + 3 + 212 + 426 + 9 + 6 = 666.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8729686 + ... + 8731898.

It is an arithmetic number, because the mean of its divisors is an integer number (330273450).

Almost surely, 2^19321242696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19321242696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31706251200).

19321242696 is an abundant number, since it is smaller than the sum of its proper divisors (44091259704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19321242696 is a wasteful number, since it uses less digits than its factorization.

19321242696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3268 (or 3261 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The spelling of 19321242696 in words is "nineteen billion, three hundred twenty-one million, two hundred forty-two thousand, six hundred ninety-six".