13663465404252 has 24 divisors (see below), whose sum is σ = 32005471498896. Its totient is φ = 4536766722048.

The previous prime is 13663465404209. The next prime is 13663465404263. The reversal of 13663465404252 is 25240456436631.

It is a junction number, because it is equal to n+sod(n) for n = 13663465404195 and 13663465404204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2215215043 + ... + 2215221210.

It is an arithmetic number, because the mean of its divisors is an integer number (1333561312454).

Almost surely, 2^{13663465404252} is an apocalyptic number.

13663465404252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13663465404252 is an abundant number, since it is smaller than the sum of its proper divisors (18342006094644).

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

13663465404252 is a wasteful number, since it uses less digits than its factorization.

13663465404252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4430436517 (or 4430436515 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 51.

The spelling of 13663465404252 in words is "thirteen trillion, six hundred sixty-three billion, four hundred sixty-five million, four hundred four thousand, two hundred fifty-two".