19013070782431 has 32 divisors (see below), whose sum is σ = 21089424964608. Its totient is φ = 16996815575040.

The previous prime is 19013070782413. The next prime is 19013070782473. The reversal of 19013070782431 is 13428707031091.

It is a cyclic number.

It is not a de Polignac number, because 19013070782431 - 2¹⁷ = 19013070651359 is a prime.

It is a super-2 number, since 2×19013070782431² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19013070482431) 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, 182402730 + ... + 182506936.

It is an arithmetic number, because the mean of its divisors is an integer number (659044530144).

Almost surely, 2^{19013070782431} is an apocalyptic number.

19013070782431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

19013070782431 is a deficient number, since it is larger than the sum of its proper divisors (2076354182177).

19013070782431 is a wasteful number, since it uses less digits than its factorization.

19013070782431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105231.

The product of its (nonzero) digits is 254016, while the sum is 46.

The spelling of 19013070782431 in words is "nineteen trillion, thirteen billion, seventy million, seven hundred eighty-two thousand, four hundred thirty-one".