21412026583 has 2 divisors, whose sum is σ = 21412026584. Its totient is φ = 21412026582.

The previous prime is 21412026539. The next prime is 21412026607. The reversal of 21412026583 is 38562021412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21412026583 - 2⁹ = 21412026071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21412026533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10706013291 + 10706013292.

It is an arithmetic number, because the mean of its divisors is an integer number (10706013292).

Almost surely, 2^21412026583 is an apocalyptic number.

21412026583 is a deficient number, since it is larger than the sum of its proper divisors (1).

21412026583 is an equidigital number, since it uses as much as digits as its factorization.

21412026583 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 34.

Adding to 21412026583 its reverse (38562021412), we get a palindrome (59974047995).

The spelling of 21412026583 in words is "twenty-one billion, four hundred twelve million, twenty-six thousand, five hundred eighty-three".