19421670092 has 12 divisors (see below), whose sum is σ = 37077733896. Its totient is φ = 8828031840.

The previous prime is 19421670089. The next prime is 19421670101. The reversal of 19421670092 is 29007612491.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220700753 + ... + 220700840.

It is an arithmetic number, because the mean of its divisors is an integer number (3089811158).

Almost surely, 2^19421670092 is an apocalyptic number.

It is an amenable number.

19421670092 is a deficient number, since it is larger than the sum of its proper divisors (17656063804).

19421670092 is a wasteful number, since it uses less digits than its factorization.

19421670092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441401608 (or 441401606 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 41.

The spelling of 19421670092 in words is "nineteen billion, four hundred twenty-one million, six hundred seventy thousand, ninety-two".