206497834995 has 32 divisors (see below), whose sum is σ = 353680531200. Its totient is φ = 102567337344.

The previous prime is 206497834909. The next prime is 206497835021. The reversal of 206497834995 is 599438794602.

It is not a de Polignac number, because 206497834995 - 2⁷ = 206497834867 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6123472 + ... + 6157101.

It is an arithmetic number, because the mean of its divisors is an integer number (11052516600).

Almost surely, 2^206497834995 is an apocalyptic number.

206497834995 is a deficient number, since it is larger than the sum of its proper divisors (147182696205).

206497834995 is a wasteful number, since it uses less digits than its factorization.

206497834995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12280659.

The product of its (nonzero) digits is 117573120, while the sum is 66.

The spelling of 206497834995 in words is "two hundred six billion, four hundred ninety-seven million, eight hundred thirty-four thousand, nine hundred ninety-five".