21114793019 has 8 divisors (see below), whose sum is σ = 22119384000. Its totient is φ = 20128635072.

The previous prime is 21114792989. The next prime is 21114793039. The reversal of 21114793019 is 91039741112.

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 21114793019 - 2³² = 16819825723 is a prime.

It is a super-2 number, since 2×21114793019² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21114793039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4605914 + ... + 4610495.

It is an arithmetic number, because the mean of its divisors is an integer number (2764923000).

Almost surely, 2^21114793019 is an apocalyptic number.

21114793019 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

21114793019 is a deficient number, since it is larger than the sum of its proper divisors (1004590981).

21114793019 is an equidigital number, since it uses as much as digits as its factorization.

21114793019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9216517.

The product of its (nonzero) digits is 13608, while the sum is 38.

The spelling of 21114793019 in words is "twenty-one billion, one hundred fourteen million, seven hundred ninety-three thousand, nineteen".