13253513163 has 32 divisors (see below), whose sum is σ = 19478817792. Its totient is φ = 7948855200.

The previous prime is 13253513107. The next prime is 13253513171. The reversal of 13253513163 is 36131535231.

It is a happy number.

It is not a de Polignac number, because 13253513163 - 2¹⁸ = 13253251019 is a prime.

It is a super-2 number, since 2×13253513163² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (13253513963) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5235208 + ... + 5237738.

It is an arithmetic number, because the mean of its divisors is an integer number (608713056).

Almost surely, 2^13253513163 is an apocalyptic number.

13253513163 is a deficient number, since it is larger than the sum of its proper divisors (6225304629).

13253513163 is a wasteful number, since it uses less digits than its factorization.

13253513163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4135.

The product of its digits is 24300, while the sum is 33.

The spelling of 13253513163 in words is "thirteen billion, two hundred fifty-three million, five hundred thirteen thousand, one hundred sixty-three".