19676471572 has 24 divisors (see below), whose sum is σ = 36037624896. Its totient is φ = 9382547328.

The previous prime is 19676471543. The next prime is 19676471579. The reversal of 19676471572 is 27517467691.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19676471579) 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, 286318 + ... + 348325.

It is an arithmetic number, because the mean of its divisors is an integer number (1501567704).

Almost surely, 2^19676471572 is an apocalyptic number.

It is an amenable number.

19676471572 is a deficient number, since it is larger than the sum of its proper divisors (16361153324).

19676471572 is a wasteful number, since it uses less digits than its factorization.

19676471572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635007 (or 635005 counting only the distinct ones).

The product of its digits is 4445280, while the sum is 55.

The spelling of 19676471572 in words is "nineteen billion, six hundred seventy-six million, four hundred seventy-one thousand, five hundred seventy-two".