21122933743 has 2 divisors, whose sum is σ = 21122933744. Its totient is φ = 21122933742.

The previous prime is 21122933723. The next prime is 21122933773. The reversal of 21122933743 is 34733922112.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21122933743 is a prime.

It is a super-2 number, since 2×21122933743² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21122933723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10561466871 + 10561466872.

It is an arithmetic number, because the mean of its divisors is an integer number (10561466872).

Almost surely, 2^21122933743 is an apocalyptic number.

21122933743 is a deficient number, since it is larger than the sum of its proper divisors (1).

21122933743 is an equidigital number, since it uses as much as digits as its factorization.

21122933743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 37.

The spelling of 21122933743 in words is "twenty-one billion, one hundred twenty-two million, nine hundred thirty-three thousand, seven hundred forty-three".