21330400341 has 8 divisors (see below), whose sum is σ = 28445786464. Its totient is φ = 14217640560.

The previous prime is 21330400321. The next prime is 21330400349. The reversal of 21330400341 is 14300403312.

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

It is not a de Polignac number, because 21330400341 - 2⁵ = 21330400309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21330400349) 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, 637555 + ... + 670176.

It is an arithmetic number, because the mean of its divisors is an integer number (3555723308).

Almost surely, 2^21330400341 is an apocalyptic number.

It is an amenable number.

21330400341 is a deficient number, since it is larger than the sum of its proper divisors (7115386123).

21330400341 is a wasteful number, since it uses less digits than its factorization.

21330400341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1313171.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 21330400341 its reverse (14300403312), we get a palindrome (35630803653).

The spelling of 21330400341 in words is "twenty-one billion, three hundred thirty million, four hundred thousand, three hundred forty-one".