13279545603 has 12 divisors (see below), whose sum is σ = 19190169648. Its totient is φ = 8849059440.

The previous prime is 13279545599. The next prime is 13279545611. The reversal of 13279545603 is 30654597231.

13279545603 is a `hidden beast` number, since 1 + 32 + 7 + 9 + 5 + 4 + 5 + 603 = 666.

It is not a de Polignac number, because 13279545603 - 2² = 13279545599 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13279545203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 309663 + ... + 349928.

It is an arithmetic number, because the mean of its divisors is an integer number (1599180804).

Almost surely, 2^13279545603 is an apocalyptic number.

13279545603 is a deficient number, since it is larger than the sum of its proper divisors (5910624045).

13279545603 is a wasteful number, since it uses less digits than its factorization.

13279545603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661834 (or 661831 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 45.

The spelling of 13279545603 in words is "thirteen billion, two hundred seventy-nine million, five hundred forty-five thousand, six hundred three".