10535283721 has 2 divisors, whose sum is σ = 10535283722. Its totient is φ = 10535283720.

The previous prime is 10535283713. The next prime is 10535283743. The reversal of 10535283721 is 12738253501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5949962496 + 4585321225 = 77136^2 + 67715^2 .

It is a cyclic number.

It is not a de Polignac number, because 10535283721 - 2³ = 10535283713 is a prime.

It is a super-2 number, since 2×10535283721² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10535253721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5267641860 + 5267641861.

It is an arithmetic number, because the mean of its divisors is an integer number (5267641861).

Almost surely, 2^10535283721 is an apocalyptic number.

It is an amenable number.

10535283721 is a deficient number, since it is larger than the sum of its proper divisors (1).

10535283721 is an equidigital number, since it uses as much as digits as its factorization.

10535283721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 37.

The spelling of 10535283721 in words is "ten billion, five hundred thirty-five million, two hundred eighty-three thousand, seven hundred twenty-one".