2068731455428 has 12 divisors (see below), whose sum is σ = 3949396414992. Its totient is φ = 940332479720.

The previous prime is 2068731455411. The next prime is 2068731455443. The reversal of 2068731455428 is 8245541378602.

It is a happy 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, 23508311950 + ... + 23508312037.

It is an arithmetic number, because the mean of its divisors is an integer number (329116367916).

Almost surely, 2^{2068731455428} is an apocalyptic number.

It is an amenable number.

2068731455428 is a deficient number, since it is larger than the sum of its proper divisors (1880664959564).

2068731455428 is a wasteful number, since it uses less digits than its factorization.

2068731455428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47016624002 (or 47016624000 counting only the distinct ones).

The product of its (nonzero) digits is 12902400, while the sum is 55.

The spelling of 2068731455428 in words is "two trillion, sixty-eight billion, seven hundred thirty-one million, four hundred fifty-five thousand, four hundred twenty-eight".