21346246326 has 16 divisors (see below), whose sum is σ = 42694155504. Its totient is φ = 7115138304.

The previous prime is 21346246301. The next prime is 21346246357. The reversal of 21346246326 is 62364264312.

21346246326 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151930 + ... + 256466.

It is an arithmetic number, because the mean of its divisors is an integer number (2668384719).

Almost surely, 2^21346246326 is an apocalyptic number.

21346246326 is an abundant number, since it is smaller than the sum of its proper divisors (21347909178).

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

21346246326 is a wasteful number, since it uses less digits than its factorization.

21346246326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138575.

The product of its digits is 248832, while the sum is 39.

The spelling of 21346246326 in words is "twenty-one billion, three hundred forty-six million, two hundred forty-six thousand, three hundred twenty-six".