13253751641 has 4 divisors (see below), whose sum is σ = 14273271012. Its totient is φ = 12234232272.

The previous prime is 13253751631. The next prime is 13253751647. The reversal of 13253751641 is 14615735231.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1328238025 + 11925513616 = 36445^2 + 109204^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13253751641 is a prime.

It is a super-2 number, since 2×13253751641² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13253751595 and 13253751604.

It is not an unprimeable number, because it can be changed into a prime (13253751647) 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, 509759666 + ... + 509759691.

It is an arithmetic number, because the mean of its divisors is an integer number (3568317753).

Almost surely, 2^13253751641 is an apocalyptic number.

It is an amenable number.

13253751641 is a deficient number, since it is larger than the sum of its proper divisors (1019519371).

13253751641 is a wasteful number, since it uses less digits than its factorization.

13253751641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019519370.

The product of its digits is 75600, while the sum is 38.

The spelling of 13253751641 in words is "thirteen billion, two hundred fifty-three million, seven hundred fifty-one thousand, six hundred forty-one".