19341531328 has 28 divisors (see below), whose sum is σ = 43863830992. Its totient is φ = 8289227520.

The previous prime is 19341531301. The next prime is 19341531343. The reversal of 19341531328 is 82313514391.

It is a tau number, because it is divible by the number of its divisors (28).

It is a super-2 number, since 2×19341531328² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21586083 + ... + 21586978.

Almost surely, 2^19341531328 is an apocalyptic number.

It is an amenable number.

19341531328 is an abundant number, since it is smaller than the sum of its proper divisors (24522299664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19341531328 is an equidigital number, since it uses as much as digits as its factorization.

19341531328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43173080 (or 43173070 counting only the distinct ones).

The product of its digits is 77760, while the sum is 40.

The spelling of 19341531328 in words is "nineteen billion, three hundred forty-one million, five hundred thirty-one thousand, three hundred twenty-eight".