19428107142004 has 24 divisors (see below), whose sum is σ = 37093503964608. Its totient is φ = 8830128925440.

The previous prime is 19428107141917. The next prime is 19428107142053. The reversal of 19428107142004 is 40024170182491.

It is a super-2 number, since 2×19428107142004² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20247424 + ... + 21185239.

It is an arithmetic number, because the mean of its divisors is an integer number (1545562665192).

Almost surely, 2^{19428107142004} is an apocalyptic number.

It is an amenable number.

19428107142004 is a deficient number, since it is larger than the sum of its proper divisors (17665396822604).

19428107142004 is a wasteful number, since it uses less digits than its factorization.

19428107142004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41443335 (or 41443333 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 43.

The spelling of 19428107142004 in words is "nineteen trillion, four hundred twenty-eight billion, one hundred seven million, one hundred forty-two thousand, four".