13253513043402 has 24 divisors (see below), whose sum is σ = 28789764852420. Its totient is φ = 4406480769600.

The previous prime is 13253513043359. The next prime is 13253513043427. The reversal of 13253513043402 is 20434031535231.

13253513043402 is a `hidden beast` number, since 1 + 3 + 2 + 5 + 3 + 5 + 1 + 304 + 340 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10504346763681 + 2749166279721 = 3241041^2 + 1658061^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 946402099 + ... + 946416102.

Almost surely, 2^{13253513043402} is an apocalyptic number.

13253513043402 is an abundant number, since it is smaller than the sum of its proper divisors (15536251809018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13253513043402 is a wasteful number, since it uses less digits than its factorization.

13253513043402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1892818598 (or 1892818595 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

Adding to 13253513043402 its reverse (20434031535231), we get a palindrome (33687544578633).

The spelling of 13253513043402 in words is "thirteen trillion, two hundred fifty-three billion, five hundred thirteen million, forty-three thousand, four hundred two".