19471374458 has 16 divisors (see below), whose sum is σ = 30805427520. Its totient is φ = 9204937056.

The previous prime is 19471374457. The next prime is 19471374463. The reversal of 19471374458 is 85447317491.

It is not an unprimeable number, because it can be changed into a prime (19471374457) 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, 490235 + ... + 528462.

It is an arithmetic number, because the mean of its divisors is an integer number (1925339220).

Almost surely, 2^19471374458 is an apocalyptic number.

19471374458 is a deficient number, since it is larger than the sum of its proper divisors (11334053062).

19471374458 is a wasteful number, since it uses less digits than its factorization.

19471374458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019221.

The product of its digits is 3386880, while the sum is 53.

The spelling of 19471374458 in words is "nineteen billion, four hundred seventy-one million, three hundred seventy-four thousand, four hundred fifty-eight".