206696963 has 4 divisors (see below), whose sum is σ = 225487608. Its totient is φ = 187906320.

The previous prime is 206696957. The next prime is 206696977. The reversal of 206696963 is 369696602.

It is a happy number.

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 206696963 - 2⁴ = 206696947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206696983) 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, 9395306 + ... + 9395327.

It is an arithmetic number, because the mean of its divisors is an integer number (56371902).

Almost surely, 2^206696963 is an apocalyptic number.

206696963 is a deficient number, since it is larger than the sum of its proper divisors (18790645).

206696963 is a wasteful number, since it uses less digits than its factorization.

206696963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18790644.

The product of its (nonzero) digits is 629856, while the sum is 47.

The square root of 206696963 is about 14376.9594490629. The cubic root of 206696963 is about 591.2593639633.

The spelling of 206696963 in words is "two hundred six million, six hundred ninety-six thousand, nine hundred sixty-three".