206497835013 has 16 divisors (see below), whose sum is σ = 279491549120. Its totient is φ = 135585432576.

The previous prime is 206497834909. The next prime is 206497835021. The reversal of 206497835013 is 310538794602.

It is not a de Polignac number, because 206497835013 - 2¹⁰ = 206497833989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206497855013) 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, 1027131 + ... + 1211607.

It is an arithmetic number, because the mean of its divisors is an integer number (17468221820).

It is a 1-persistent number, because it is pandigital, but 2⋅206497835013 = 412995670026 is not.

Almost surely, 2^206497835013 is an apocalyptic number.

It is an amenable number.

206497835013 is a deficient number, since it is larger than the sum of its proper divisors (72993714107).

206497835013 is a wasteful number, since it uses less digits than its factorization.

206497835013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190116.

The product of its (nonzero) digits is 1088640, while the sum is 48.

The spelling of 206497835013 in words is "two hundred six billion, four hundred ninety-seven million, eight hundred thirty-five thousand, thirteen".