67481455205 has 32 divisors (see below), whose sum is σ = 86661187200. Its totient is φ = 50441477376.

The previous prime is 67481455193. The next prime is 67481455211. The reversal of 67481455205 is 50255418476.

It is not a de Polignac number, because 67481455205 - 2²⁸ = 67213019749 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 67481455205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3404654 + ... + 3424416.

It is an arithmetic number, because the mean of its divisors is an integer number (2708162100).

Almost surely, 2^67481455205 is an apocalyptic number.

It is an amenable number.

67481455205 is a deficient number, since it is larger than the sum of its proper divisors (19179731995).

67481455205 is a wasteful number, since it uses less digits than its factorization.

67481455205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19958 (or 19924 counting only the distinct ones).

The product of its (nonzero) digits is 1344000, while the sum is 47.

The spelling of 67481455205 in words is "sixty-seven billion, four hundred eighty-one million, four hundred fifty-five thousand, two hundred five".