19041359643 has 12 divisors (see below), whose sum is σ = 29122079688. Its totient is φ = 11947519680.

The previous prime is 19041359633. The next prime is 19041359663. The reversal of 19041359643 is 34695314091.

19041359643 is a `hidden beast` number, since 1 + 9 + 0 + 4 + 13 + 596 + 43 = 666.

It is not a de Polignac number, because 19041359643 - 2⁴ = 19041359627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19041359633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62226513 + ... + 62226818.

It is an arithmetic number, because the mean of its divisors is an integer number (2426839974).

Almost surely, 2^19041359643 is an apocalyptic number.

19041359643 is a deficient number, since it is larger than the sum of its proper divisors (10080720045).

19041359643 is a wasteful number, since it uses less digits than its factorization.

19041359643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124453354 (or 124453351 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The spelling of 19041359643 in words is "nineteen billion, forty-one million, three hundred fifty-nine thousand, six hundred forty-three".