21411301319 has 2 divisors, whose sum is σ = 21411301320. Its totient is φ = 21411301318.

The previous prime is 21411301297. The next prime is 21411301333. The reversal of 21411301319 is 91310311412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21411301319 - 2²⁴ = 21394524103 is a prime.

It is a super-2 number, since 2×21411301319² (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 (21411301369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10705650659 + 10705650660.

It is an arithmetic number, because the mean of its divisors is an integer number (10705650660).

Almost surely, 2^21411301319 is an apocalyptic number.

21411301319 is a deficient number, since it is larger than the sum of its proper divisors (1).

21411301319 is an equidigital number, since it uses as much as digits as its factorization.

21411301319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 26.

The spelling of 21411301319 in words is "twenty-one billion, four hundred eleven million, three hundred one thousand, three hundred nineteen".