10505653253 has 4 divisors (see below), whose sum is σ = 10507384128. Its totient is φ = 10503922380.

The previous prime is 10505653243. The next prime is 10505653267. The reversal of 10505653253 is 35235650501.

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 10505653253 - 2⁶ = 10505653189 is a prime.

It is a super-2 number, since 2×10505653253² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10505653243) 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, 856301 + ... + 868482.

It is an arithmetic number, because the mean of its divisors is an integer number (2626846032).

Almost surely, 2^10505653253 is an apocalyptic number.

It is an amenable number.

10505653253 is a deficient number, since it is larger than the sum of its proper divisors (1730875).

10505653253 is an equidigital number, since it uses as much as digits as its factorization.

10505653253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1730874.

The product of its (nonzero) digits is 67500, while the sum is 35.

The spelling of 10505653253 in words is "ten billion, five hundred five million, six hundred fifty-three thousand, two hundred fifty-three".