68143074609 has 16 divisors (see below), whose sum is σ = 96003072000. Its totient is φ = 42874080336.

The previous prime is 68143074599. The next prime is 68143074619. The reversal of 68143074609 is 90647034186.

It is an interprime number because it is at equal distance from previous prime (68143074599) and next prime (68143074619).

It is not a de Polignac number, because 68143074609 - 2⁵ = 68143074577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68143074619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2257809 + ... + 2287790.

It is an arithmetic number, because the mean of its divisors is an integer number (6000192000).

Almost surely, 2^68143074609 is an apocalyptic number.

It is an amenable number.

68143074609 is a deficient number, since it is larger than the sum of its proper divisors (27859997391).

68143074609 is a wasteful number, since it uses less digits than its factorization.

68143074609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4545884.

The product of its (nonzero) digits is 870912, while the sum is 48.

The spelling of 68143074609 in words is "sixty-eight billion, one hundred forty-three million, seventy-four thousand, six hundred nine".