19472643314 has 8 divisors (see below), whose sum is σ = 29259588828. Its totient is φ = 9719447040.

The previous prime is 19472643313. The next prime is 19472643329. The reversal of 19472643314 is 41334627491.

It can be written as a sum of positive squares in 2 ways, for example, as 14362824025 + 5109819289 = 119845^2 + 71483^2 .

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

It is not an unprimeable number, because it can be changed into a prime (19472643313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8435867 + ... + 8438174.

Almost surely, 2^19472643314 is an apocalyptic number.

19472643314 is a deficient number, since it is larger than the sum of its proper divisors (9786945514).

19472643314 is a wasteful number, since it uses less digits than its factorization.

19472643314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16874620.

The product of its digits is 435456, while the sum is 44.

The spelling of 19472643314 in words is "nineteen billion, four hundred seventy-two million, six hundred forty-three thousand, three hundred fourteen".