68270993547 has 4 divisors (see below), whose sum is σ = 91027991400. Its totient is φ = 45513995696.

The previous prime is 68270993533. The next prime is 68270993563. The reversal of 68270993547 is 74539907286.

68270993547 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 68270993547 - 2⁷ = 68270993419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68270993507) 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, 11378498922 + ... + 11378498927.

It is an arithmetic number, because the mean of its divisors is an integer number (22756997850).

Almost surely, 2^68270993547 is an apocalyptic number.

68270993547 is a deficient number, since it is larger than the sum of its proper divisors (22756997853).

68270993547 is a wasteful number, since it uses less digits than its factorization.

68270993547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22756997852.

The product of its (nonzero) digits is 22861440, while the sum is 60.

The spelling of 68270993547 in words is "sixty-eight billion, two hundred seventy million, nine hundred ninety-three thousand, five hundred forty-seven".