19004078411428 has 48 divisors (see below), whose sum is σ = 36593873382528. Its totient is φ = 8635024543200.

The previous prime is 19004078411393. The next prime is 19004078411491. The reversal of 19004078411428 is 82411487040091.

It is a happy number.

It is a super-2 number, since 2×19004078411428² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13775026 + ... + 15091702.

It is an arithmetic number, because the mean of its divisors is an integer number (762372362136).

Almost surely, 2^{19004078411428} is an apocalyptic number.

It is an amenable number.

19004078411428 is a deficient number, since it is larger than the sum of its proper divisors (17589794971100).

19004078411428 is a wasteful number, since it uses less digits than its factorization.

19004078411428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1319425 (or 1319401 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 49.

The spelling of 19004078411428 in words is "nineteen trillion, four billion, seventy-eight million, four hundred eleven thousand, four hundred twenty-eight".