13603902242 has 36 divisors (see below), whose sum is σ = 23922963270. Its totient is φ = 5785022880.

The previous prime is 13603902223. The next prime is 13603902293. The reversal of 13603902242 is 24220930631.

It can be written as a sum of positive squares in only one way, i.e., 13562698681 + 41203561 = 116459^2 + 6419^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13603902199 and 13603902208.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1677734 + ... + 1685822.

Almost surely, 2^13603902242 is an apocalyptic number.

13603902242 is a deficient number, since it is larger than the sum of its proper divisors (10319061028).

13603902242 is an equidigital number, since it uses as much as digits as its factorization.

13603902242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8367 (or 8229 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

The spelling of 13603902242 in words is "thirteen billion, six hundred three million, nine hundred two thousand, two hundred forty-two".