21041024419 has 2 divisors, whose sum is σ = 21041024420. Its totient is φ = 21041024418.

The previous prime is 21041024383. The next prime is 21041024467. The reversal of 21041024419 is 91442014012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21041024419 - 2¹⁵ = 21040991651 is a prime.

It is a super-2 number, since 2×21041024419² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (21041024489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10520512209 + 10520512210.

It is an arithmetic number, because the mean of its divisors is an integer number (10520512210).

Almost surely, 2^21041024419 is an apocalyptic number.

21041024419 is a deficient number, since it is larger than the sum of its proper divisors (1).

21041024419 is an equidigital number, since it uses as much as digits as its factorization.

21041024419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 28.

The spelling of 21041024419 in words is "twenty-one billion, forty-one million, twenty-four thousand, four hundred nineteen".