13705245603 has 80 divisors (see below), whose sum is σ = 24260898816. Its totient is φ = 7547437440.

The previous prime is 13705245581. The next prime is 13705245647. The reversal of 13705245603 is 30654250731.

13705245603 is a `hidden beast` number, since 1 + 3 + 7 + 0 + 5 + 2 + 45 + 603 = 666.

It is not a de Polignac number, because 13705245603 - 2¹⁷ = 13705114531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13705245403) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1925950 + ... + 1933052.

Almost surely, 2^13705245603 is an apocalyptic number.

13705245603 is a deficient number, since it is larger than the sum of its proper divisors (10555653213).

13705245603 is an equidigital number, since it uses as much as digits as its factorization.

13705245603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7246 (or 7237 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The spelling of 13705245603 in words is "thirteen billion, seven hundred five million, two hundred forty-five thousand, six hundred three".