210733668427 has 16 divisors (see below), whose sum is σ = 214438275072. Its totient is φ = 207050387040.

The previous prime is 210733668419. The next prime is 210733668443. The reversal of 210733668427 is 724866337012.

It is a cyclic number.

It is not a de Polignac number, because 210733668427 - 2³ = 210733668419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210733668127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59746938 + ... + 59750464.

It is an arithmetic number, because the mean of its divisors is an integer number (13402392192).

Almost surely, 2^210733668427 is an apocalyptic number.

210733668427 is a deficient number, since it is larger than the sum of its proper divisors (3704606645).

210733668427 is a wasteful number, since it uses less digits than its factorization.

210733668427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6258.

The product of its (nonzero) digits is 2032128, while the sum is 49.

The spelling of 210733668427 in words is "two hundred ten billion, seven hundred thirty-three million, six hundred sixty-eight thousand, four hundred twenty-seven".