21233325319 has 2 divisors, whose sum is σ = 21233325320. Its totient is φ = 21233325318.

The previous prime is 21233325277. The next prime is 21233325331. The reversal of 21233325319 is 91352333212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21233325319 - 2⁹ = 21233324807 is a prime.

It is a super-2 number, since 2×21233325319² (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 (21233325359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10616662659 + 10616662660.

It is an arithmetic number, because the mean of its divisors is an integer number (10616662660).

Almost surely, 2^21233325319 is an apocalyptic number.

21233325319 is a deficient number, since it is larger than the sum of its proper divisors (1).

21233325319 is an equidigital number, since it uses as much as digits as its factorization.

21233325319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29160, while the sum is 34.

The spelling of 21233325319 in words is "twenty-one billion, two hundred thirty-three million, three hundred twenty-five thousand, three hundred nineteen".