10509533693 has 4 divisors (see below), whose sum is σ = 10510047360. Its totient is φ = 10509020028.

The previous prime is 10509533663. The next prime is 10509533729. The reversal of 10509533693 is 39633590501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10509533693 - 2²² = 10505339389 is a prime.

It is a super-2 number, since 2×10509533693² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10509533663) 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 in 3 ways as a sum of consecutive naturals, for example, 224813 + ... + 267506.

It is an arithmetic number, because the mean of its divisors is an integer number (2627511840).

Almost surely, 2^10509533693 is an apocalyptic number.

It is an amenable number.

10509533693 is a deficient number, since it is larger than the sum of its proper divisors (513667).

10509533693 is an equidigital number, since it uses as much as digits as its factorization.

10509533693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513666.

The product of its (nonzero) digits is 328050, while the sum is 44.

The spelling of 10509533693 in words is "ten billion, five hundred nine million, five hundred thirty-three thousand, six hundred ninety-three".