10535421893 has 2 divisors, whose sum is σ = 10535421894. Its totient is φ = 10535421892.

The previous prime is 10535421887. The next prime is 10535421937. The reversal of 10535421893 is 39812453501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10522040929 + 13380964 = 102577^2 + 3658^2 .

It is an emirp because it is prime and its reverse (39812453501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10535421893 - 2⁴ = 10535421877 is a prime.

It is a super-2 number, since 2×10535421893² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10535421893.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10535421823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5267710946 + 5267710947.

It is an arithmetic number, because the mean of its divisors is an integer number (5267710947).

Almost surely, 2^10535421893 is an apocalyptic number.

It is an amenable number.

10535421893 is a deficient number, since it is larger than the sum of its proper divisors (1).

10535421893 is an equidigital number, since it uses as much as digits as its factorization.

10535421893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 10535421893 in words is "ten billion, five hundred thirty-five million, four hundred twenty-one thousand, eight hundred ninety-three".