206298640929 has 8 divisors (see below), whose sum is σ = 281773753632. Its totient is φ = 134177977760.

The previous prime is 206298640897. The next prime is 206298640949. The reversal of 206298640929 is 929046892602.

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

It is a cyclic number.

It is not a de Polignac number, because 206298640929 - 2⁵ = 206298640897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (206298640949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 838612239 + ... + 838612484.

It is an arithmetic number, because the mean of its divisors is an integer number (35221719204).

Almost surely, 2^206298640929 is an apocalyptic number.

It is an amenable number.

206298640929 is a deficient number, since it is larger than the sum of its proper divisors (75475112703).

206298640929 is a wasteful number, since it uses less digits than its factorization.

206298640929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1677224767.

The product of its (nonzero) digits is 6718464, while the sum is 57.

The spelling of 206298640929 in words is "two hundred six billion, two hundred ninety-eight million, six hundred forty thousand, nine hundred twenty-nine".