68292944427 has 4 divisors (see below), whose sum is σ = 91057259240. Its totient is φ = 45528629616.

The previous prime is 68292944389. The next prime is 68292944449. The reversal of 68292944427 is 72444929286.

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

It is not a de Polignac number, because 68292944427 - 2⁷ = 68292944299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68292944227) 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, 11382157402 + ... + 11382157407.

It is an arithmetic number, because the mean of its divisors is an integer number (22764314810).

Almost surely, 2^68292944427 is an apocalyptic number.

68292944427 is a deficient number, since it is larger than the sum of its proper divisors (22764314813).

68292944427 is a wasteful number, since it uses less digits than its factorization.

68292944427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22764314812.

The product of its digits is 13934592, while the sum is 57.

The spelling of 68292944427 in words is "sixty-eight billion, two hundred ninety-two million, nine hundred forty-four thousand, four hundred twenty-seven".