68873812450 has 48 divisors (see below), whose sum is σ = 134500855680. Its totient is φ = 26202496320.

The previous prime is 68873812439. The next prime is 68873812457. The reversal of 68873812450 is 5421837886.

It is not an unprimeable number, because it can be changed into a prime (68873812457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 257322 + ... + 451621.

It is an arithmetic number, because the mean of its divisors is an integer number (2802101160).

Almost surely, 2^68873812450 is an apocalyptic number.

68873812450 is a deficient number, since it is larger than the sum of its proper divisors (65627043230).

68873812450 is a wasteful number, since it uses less digits than its factorization.

68873812450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709051 (or 709046 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 52.

The spelling of 68873812450 in words is "sixty-eight billion, eight hundred seventy-three million, eight hundred twelve thousand, four hundred fifty".