19243714805 has 32 divisors (see below), whose sum is σ = 27826018560. Its totient is φ = 12480652800.

The previous prime is 19243714801. The next prime is 19243714811. The reversal of 19243714805 is 50841734291.

It is not a de Polignac number, because 19243714805 - 2² = 19243714801 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19243714801) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 386855 + ... + 433755.

It is an arithmetic number, because the mean of its divisors is an integer number (869563080).

Almost surely, 2^19243714805 is an apocalyptic number.

It is an amenable number.

19243714805 is a deficient number, since it is larger than the sum of its proper divisors (8582303755).

19243714805 is a wasteful number, since it uses less digits than its factorization.

19243714805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47549.

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 19243714805 in words is "nineteen billion, two hundred forty-three million, seven hundred fourteen thousand, eight hundred five".