19019447613474 has 32 divisors (see below), whose sum is σ = 47425116128256. Its totient is φ = 4940116263120.

The previous prime is 19019447613451. The next prime is 19019447613511. The reversal of 19019447613474 is 47431674491091.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20583817302 + ... + 20583818225.

It is an arithmetic number, because the mean of its divisors is an integer number (1482034879008).

Almost surely, 2^{19019447613474} is an apocalyptic number.

19019447613474 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

19019447613474 is an abundant number, since it is smaller than the sum of its proper divisors (28405668514782).

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

19019447613474 is a wasteful number, since it uses less digits than its factorization.

19019447613474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41167635550.

The product of its (nonzero) digits is 18289152, while the sum is 60.

The spelling of 19019447613474 in words is "nineteen trillion, nineteen billion, four hundred forty-seven million, six hundred thirteen thousand, four hundred seventy-four".