10535426021 has 2 divisors, whose sum is σ = 10535426022. Its totient is φ = 10535426020.

The previous prime is 10535426003. The next prime is 10535426039. The reversal of 10535426021 is 12062453501.

It is a balanced prime because it is at equal distance from previous prime (10535426003) and next prime (10535426039).

It can be written as a sum of positive squares in only one way, i.e., 7701993121 + 2833432900 = 87761^2 + 53230^2 .

It is a cyclic number.

It is not a de Polignac number, because 10535426021 - 2²² = 10531231717 is a prime.

It is a super-2 number, since 2×10535426021² (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 (10535426221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5267713010 + 5267713011.

It is an arithmetic number, because the mean of its divisors is an integer number (5267713011).

Almost surely, 2^10535426021 is an apocalyptic number.

It is an amenable number.

10535426021 is a deficient number, since it is larger than the sum of its proper divisors (1).

10535426021 is an equidigital number, since it uses as much as digits as its factorization.

10535426021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 10535426021 its reverse (12062453501), we get a palindrome (22597879522).

The spelling of 10535426021 in words is "ten billion, five hundred thirty-five million, four hundred twenty-six thousand, twenty-one".