21426102341 has 24 divisors (see below), whose sum is σ = 25862243904. Its totient is φ = 17385350400.

The previous prime is 21426102317. The next prime is 21426102361. The reversal of 21426102341 is 14320162412.

It is not a de Polignac number, because 21426102341 - 2¹⁴ = 21426085957 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 21426102341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21426102311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 329366 + ... + 389016.

It is an arithmetic number, because the mean of its divisors is an integer number (1077593496).

Almost surely, 2^21426102341 is an apocalyptic number.

It is an amenable number.

21426102341 is a deficient number, since it is larger than the sum of its proper divisors (4436141563).

21426102341 is an equidigital number, since it uses as much as digits as its factorization.

21426102341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59801 (or 59778 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 21426102341 its reverse (14320162412), we get a palindrome (35746264753).

The spelling of 21426102341 in words is "twenty-one billion, four hundred twenty-six million, one hundred two thousand, three hundred forty-one".