13103654421652 has 12 divisors (see below), whose sum is σ = 22937291741140. Its totient is φ = 6550142495616.

The previous prime is 13103654421619. The next prime is 13103654421713. The reversal of 13103654421652 is 25612445630131.

It can be written as a sum of positive squares in 2 ways, for example, as 6108243048196 + 6995411373456 = 2471486^2 + 2644884^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13103654421599 and 13103654421608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 421161303 + ... + 421192414.

Almost surely, 2^{13103654421652} is an apocalyptic number.

It is an amenable number.

13103654421652 is a deficient number, since it is larger than the sum of its proper divisors (9833637319488).

13103654421652 is a wasteful number, since it uses less digits than its factorization.

13103654421652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842357610 (or 842357608 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 13103654421652 in words is "thirteen trillion, one hundred three billion, six hundred fifty-four million, four hundred twenty-one thousand, six hundred fifty-two".