206486944498545 has 8 divisors (see below), whose sum is σ = 330379111197696. Its totient is φ = 110126370399216.

The previous prime is 206486944498537. The next prime is 206486944498553. The reversal of 206486944498545 is 545894449684602.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (206486944498537) and next prime (206486944498553).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 206486944498545 - 2³ = 206486944498537 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6882898149937 + ... + 6882898149966.

It is an arithmetic number, because the mean of its divisors is an integer number (41297388899712).

Almost surely, 2^{206486944498545} is an apocalyptic number.

It is an amenable number.

206486944498545 is a deficient number, since it is larger than the sum of its proper divisors (123892166699151).

206486944498545 is a wasteful number, since it uses less digits than its factorization.

206486944498545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13765796299911.

The product of its (nonzero) digits is 9555148800, while the sum is 78.

The spelling of 206486944498545 in words is "two hundred six trillion, four hundred eighty-six billion, nine hundred forty-four million, four hundred ninety-eight thousand, five hundred forty-five".