206113837351 has 4 divisors (see below), whose sum is σ = 208114942672. Its totient is φ = 204112732032.

The previous prime is 206113837297. The next prime is 206113837429. The reversal of 206113837351 is 153738311602.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-206113837351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206113837751) 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, 1000552506 + ... + 1000552711.

It is an arithmetic number, because the mean of its divisors is an integer number (52028735668).

Almost surely, 2^206113837351 is an apocalyptic number.

206113837351 is a deficient number, since it is larger than the sum of its proper divisors (2001105321).

206113837351 is a wasteful number, since it uses less digits than its factorization.

206113837351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001105320.

The product of its (nonzero) digits is 90720, while the sum is 40.

The spelling of 206113837351 in words is "two hundred six billion, one hundred thirteen million, eight hundred thirty-seven thousand, three hundred fifty-one".