206392909773 has 8 divisors (see below), whose sum is σ = 281590326688. Its totient is φ = 134395383024.

The previous prime is 206392909753. The next prime is 206392909799. The reversal of 206392909773 is 377909293602.

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

It is not a de Polignac number, because 206392909773 - 2⁵ = 206392909741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206392909753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 799972390 + ... + 799972647.

It is an arithmetic number, because the mean of its divisors is an integer number (35198790836).

Almost surely, 2^206392909773 is an apocalyptic number.

It is an amenable number.

206392909773 is a deficient number, since it is larger than the sum of its proper divisors (75197416915).

206392909773 is a wasteful number, since it uses less digits than its factorization.

206392909773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1599945083.

The product of its (nonzero) digits is 7715736, while the sum is 57.

The spelling of 206392909773 in words is "two hundred six billion, three hundred ninety-two million, nine hundred nine thousand, seven hundred seventy-three".