21441032419 has 2 divisors, whose sum is σ = 21441032420. Its totient is φ = 21441032418.

The previous prime is 21441032407. The next prime is 21441032443. The reversal of 21441032419 is 91423014412.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21441032419 is a prime.

It is a super-2 number, since 2×21441032419² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (21441030419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10720516209 + 10720516210.

It is an arithmetic number, because the mean of its divisors is an integer number (10720516210).

Almost surely, 2^21441032419 is an apocalyptic number.

21441032419 is a deficient number, since it is larger than the sum of its proper divisors (1).

21441032419 is an equidigital number, since it uses as much as digits as its factorization.

21441032419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 31.

The spelling of 21441032419 in words is "twenty-one billion, four hundred forty-one million, thirty-two thousand, four hundred nineteen".