19034453428 has 12 divisors (see below), whose sum is σ = 33326987652. Its totient is φ = 9512456960.

The previous prime is 19034453411. The next prime is 19034453447. The reversal of 19034453428 is 82435443091.

It can be written as a sum of positive squares in 2 ways, for example, as 5815892644 + 13218560784 = 76262^2 + 114972^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1183453 + ... + 1199428.

It is an arithmetic number, because the mean of its divisors is an integer number (2777248971).

Almost surely, 2^19034453428 is an apocalyptic number.

It is an amenable number.

19034453428 is a deficient number, since it is larger than the sum of its proper divisors (14292534224).

19034453428 is a wasteful number, since it uses less digits than its factorization.

19034453428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2384882 (or 2384880 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 19034453428 in words is "nineteen billion, thirty-four million, four hundred fifty-three thousand, four hundred twenty-eight".