21411003013 has 2 divisors, whose sum is σ = 21411003014. Its totient is φ = 21411003012.

The previous prime is 21411002999. The next prime is 21411003023. The reversal of 21411003013 is 31030011412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21105697284 + 305305729 = 145278^2 + 17473^2 .

It is a cyclic number.

It is not a de Polignac number, because 21411003013 - 2⁵ = 21411002981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21411003023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10705501506 + 10705501507.

It is an arithmetic number, because the mean of its divisors is an integer number (10705501507).

Almost surely, 2^21411003013 is an apocalyptic number.

It is an amenable number.

21411003013 is a deficient number, since it is larger than the sum of its proper divisors (1).

21411003013 is an equidigital number, since it uses as much as digits as its factorization.

21411003013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 21411003013 its reverse (31030011412), we get a palindrome (52441014425).

The spelling of 21411003013 in words is "twenty-one billion, four hundred eleven million, three thousand, thirteen".