12653528063 has 4 divisors (see below), whose sum is σ = 13803848808. Its totient is φ = 11503207320.

The previous prime is 12653528051. The next prime is 12653528087. The reversal of 12653528063 is 36082535621.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12653528063 - 2¹⁴ = 12653511679 is a prime.

It is a super-2 number, since 2×12653528063² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12653528063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12653528023) 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, 575160356 + ... + 575160377.

It is an arithmetic number, because the mean of its divisors is an integer number (3450962202).

Almost surely, 2^12653528063 is an apocalyptic number.

12653528063 is a deficient number, since it is larger than the sum of its proper divisors (1150320745).

12653528063 is a wasteful number, since it uses less digits than its factorization.

12653528063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150320744.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 12653528063 in words is "twelve billion, six hundred fifty-three million, five hundred twenty-eight thousand, sixty-three".