21346243113 has 8 divisors (see below), whose sum is σ = 30651015808. Its totient is φ = 13136149584.

The previous prime is 21346243099. The next prime is 21346243117. The reversal of 21346243113 is 31134264312.

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

It is not a de Polignac number, because 21346243113 - 2⁸ = 21346242857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (21346243117) 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, 273669745 + ... + 273669822.

It is an arithmetic number, because the mean of its divisors is an integer number (3831376976).

Almost surely, 2^21346243113 is an apocalyptic number.

It is an amenable number.

21346243113 is a deficient number, since it is larger than the sum of its proper divisors (9304772695).

21346243113 is a wasteful number, since it uses less digits than its factorization.

21346243113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547339583.

The product of its digits is 10368, while the sum is 30.

The spelling of 21346243113 in words is "twenty-one billion, three hundred forty-six million, two hundred forty-three thousand, one hundred thirteen".