68551322446 has 4 divisors (see below), whose sum is σ = 102826983672. Its totient is φ = 34275661222.

The previous prime is 68551322429. The next prime is 68551322453. The reversal of 68551322446 is 64422315586.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 68551322396 and 68551322405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17137830610 + ... + 17137830613.

It is an arithmetic number, because the mean of its divisors is an integer number (25706745918).

Almost surely, 2^68551322446 is an apocalyptic number.

68551322446 is a deficient number, since it is larger than the sum of its proper divisors (34275661226).

68551322446 is a wasteful number, since it uses less digits than its factorization.

68551322446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34275661225.

The product of its digits is 1382400, while the sum is 46.

The spelling of 68551322446 in words is "sixty-eight billion, five hundred fifty-one million, three hundred twenty-two thousand, four hundred forty-six".