19424713548243 has 8 divisors (see below), whose sum is σ = 25901563555728. Its totient is φ = 12948836286464.

The previous prime is 19424713548169. The next prime is 19424713548259. The reversal of 19424713548243 is 34284531742491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 19424713548243 - 2⁹ = 19424713547731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19424713548143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243139830 + ... + 243219707.

It is an arithmetic number, because the mean of its divisors is an integer number (3237695444466).

Almost surely, 2^{19424713548243} is an apocalyptic number.

19424713548243 is a deficient number, since it is larger than the sum of its proper divisors (6476850007485).

19424713548243 is a wasteful number, since it uses less digits than its factorization.

19424713548243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486372853.

The product of its digits is 23224320, while the sum is 57.

The spelling of 19424713548243 in words is "nineteen trillion, four hundred twenty-four billion, seven hundred thirteen million, five hundred forty-eight thousand, two hundred forty-three".