19425873474 has 48 divisors (see below), whose sum is σ = 49760867520. Its totient is φ = 5358860640.

The previous prime is 19425873473. The next prime is 19425873631. The reversal of 19425873474 is 47437852491.

19425873474 is a `hidden beast` number, since 1 + 94 + 2 + 5 + 87 + 3 + 474 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 19425873474.

It is not an unprimeable number, because it can be changed into a prime (19425873473) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 2654512 + ... + 2661819.

It is an arithmetic number, because the mean of its divisors is an integer number (1036684740).

Almost surely, 2^19425873474 is an apocalyptic number.

19425873474 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

19425873474 is an abundant number, since it is smaller than the sum of its proper divisors (30334994046).

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

19425873474 is a wasteful number, since it uses less digits than its factorization.

19425873474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5316375 (or 5316372 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 54.

The spelling of 19425873474 in words is "nineteen billion, four hundred twenty-five million, eight hundred seventy-three thousand, four hundred seventy-four".