21230010419 has 2 divisors, whose sum is σ = 21230010420. Its totient is φ = 21230010418.

The previous prime is 21230010391. The next prime is 21230010467. The reversal of 21230010419 is 91401003212.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21230010419 is a prime.

It is a super-3 number, since 3×21230010419³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 21230010394 and 21230010403.

It is not a weakly prime, because it can be changed into another prime (21230010119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10615005209 + 10615005210.

It is an arithmetic number, because the mean of its divisors is an integer number (10615005210).

Almost surely, 2^21230010419 is an apocalyptic number.

21230010419 is a deficient number, since it is larger than the sum of its proper divisors (1).

21230010419 is an equidigital number, since it uses as much as digits as its factorization.

21230010419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 21230010419 in words is "twenty-one billion, two hundred thirty million, ten thousand, four hundred nineteen".