21114603426 has 48 divisors (see below), whose sum is σ = 49319655840. Its totient is φ = 6008688000.

The previous prime is 21114603421. The next prime is 21114603431. The reversal of 21114603426 is 62430641112.

It is an interprime number because it is at equal distance from previous prime (21114603421) and next prime (21114603431).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 21114603393 and 21114603402.

It is not an unprimeable number, because it can be changed into a prime (21114603421) 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 23 ways as a sum of consecutive naturals, for example, 69271 + ... + 216858.

It is an arithmetic number, because the mean of its divisors is an integer number (1027492830).

Almost surely, 2^21114603426 is an apocalyptic number.

21114603426 is an abundant number, since it is smaller than the sum of its proper divisors (28205052414).

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

21114603426 is a wasteful number, since it uses less digits than its factorization.

21114603426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286399 (or 286392 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The spelling of 21114603426 in words is "twenty-one billion, one hundred fourteen million, six hundred three thousand, four hundred twenty-six".