68653092443 has 4 divisors (see below), whose sum is σ = 73934099568. Its totient is φ = 63372085320.

The previous prime is 68653092439. The next prime is 68653092457. The reversal of 68653092443 is 34429035686.

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

It is a cyclic number.

It is not a de Polignac number, because 68653092443 - 2² = 68653092439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68653092391 and 68653092400.

It is not an unprimeable number, because it can be changed into a prime (68653092413) 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, 2640503543 + ... + 2640503568.

It is an arithmetic number, because the mean of its divisors is an integer number (18483524892).

Almost surely, 2^68653092443 is an apocalyptic number.

68653092443 is a deficient number, since it is larger than the sum of its proper divisors (5281007125).

68653092443 is a wasteful number, since it uses less digits than its factorization.

68653092443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5281007124.

The product of its (nonzero) digits is 3732480, while the sum is 50.

The spelling of 68653092443 in words is "sixty-eight billion, six hundred fifty-three million, ninety-two thousand, four hundred forty-three".