21030413193 has 48 divisors (see below), whose sum is σ = 33623081856. Its totient is φ = 12599093760.

The previous prime is 21030413161. The next prime is 21030413203. The reversal of 21030413193 is 39131403012.

21030413193 is a `hidden beast` number, since 210 + 30 + 413 + 1 + 9 + 3 = 666.

It is not a de Polignac number, because 21030413193 - 2⁵ = 21030413161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21030413293) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2060563 + ... + 2070743.

It is an arithmetic number, because the mean of its divisors is an integer number (700480872).

Almost surely, 2^21030413193 is an apocalyptic number.

21030413193 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

21030413193 is a deficient number, since it is larger than the sum of its proper divisors (12592668663).

21030413193 is a wasteful number, since it uses less digits than its factorization.

21030413193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10814 (or 10811 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The spelling of 21030413193 in words is "twenty-one billion, thirty million, four hundred thirteen thousand, one hundred ninety-three".