68437005142 has 16 divisors (see below), whose sum is σ = 112658418432. Its totient is φ = 30921454120.

The previous prime is 68437005139. The next prime is 68437005157. The reversal of 68437005142 is 24150073486.

It is a super-2 number, since 2×68437005142² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 68437005095 and 68437005104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9310018 + ... + 9317365.

It is an arithmetic number, because the mean of its divisors is an integer number (7041151152).

Almost surely, 2^68437005142 is an apocalyptic number.

68437005142 is a deficient number, since it is larger than the sum of its proper divisors (44221413290).

68437005142 is a wasteful number, since it uses less digits than its factorization.

68437005142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18627563.

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 68437005142 in words is "sixty-eight billion, four hundred thirty-seven million, five thousand, one hundred forty-two".