10635665213 has 4 divisors (see below), whose sum is σ = 10635997728. Its totient is φ = 10635332700.

The previous prime is 10635665191. The next prime is 10635665251. The reversal of 10635665213 is 31256653601.

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 10635665213 - 2⁸ = 10635664957 is a prime.

It is a super-2 number, since 2×10635665213² (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 (10635665413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112481 + ... + 184182.

It is an arithmetic number, because the mean of its divisors is an integer number (2658999432).

Almost surely, 2^10635665213 is an apocalyptic number.

It is an amenable number.

10635665213 is a deficient number, since it is larger than the sum of its proper divisors (332515).

10635665213 is an equidigital number, since it uses as much as digits as its factorization.

10635665213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332514.

The product of its (nonzero) digits is 97200, while the sum is 38.

The spelling of 10635665213 in words is "ten billion, six hundred thirty-five million, six hundred sixty-five thousand, two hundred thirteen".