206413041537 has 6 divisors (see below), whose sum is σ = 298152171122. Its totient is φ = 137608694352.

The previous prime is 206413041469. The next prime is 206413041547. The reversal of 206413041537 is 735140314602.

206413041537 is a `hidden beast` number, since 2 + 0 + 641 + 3 + 0 + 4 + 1 + 5 + 3 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 150168650256 + 56244391281 = 387516^2 + 237159^2 .

It is not a de Polignac number, because 206413041537 - 2⁸ = 206413041281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206413041547) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11467391188 + ... + 11467391205.

Almost surely, 2^206413041537 is an apocalyptic number.

It is an amenable number.

206413041537 is a deficient number, since it is larger than the sum of its proper divisors (91739129585).

206413041537 is a wasteful number, since it uses less digits than its factorization.

206413041537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22934782399 (or 22934782396 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The spelling of 206413041537 in words is "two hundred six billion, four hundred thirteen million, forty-one thousand, five hundred thirty-seven".