68486833442 has 8 divisors (see below), whose sum is σ = 102738869100. Its totient is φ = 34240543744.

The previous prime is 68486833409. The next prime is 68486833447. The reversal of 68486833442 is 24433868486.

It can be written as a sum of positive squares in 2 ways, for example, as 61514416441 + 6972417001 = 248021^2 + 83501^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (68486833447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1406567 + ... + 1454442.

Almost surely, 2^68486833442 is an apocalyptic number.

68486833442 is a deficient number, since it is larger than the sum of its proper divisors (34252035658).

68486833442 is a wasteful number, since it uses less digits than its factorization.

68486833442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2872980.

The product of its digits is 21233664, while the sum is 56.

The spelling of 68486833442 in words is "sixty-eight billion, four hundred eighty-six million, eight hundred thirty-three thousand, four hundred forty-two".