205927813043 has 8 divisors (see below), whose sum is σ = 208931374080. Its totient is φ = 202927117960.

The previous prime is 205927812953. The next prime is 205927813079. The reversal of 205927813043 is 340318729502.

It is a happy number.

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 205927813043 - 2⁸ = 205927812787 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 205927812985 and 205927813003.

It is not an unprimeable number, because it can be changed into a prime (205927818043) 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, 571523 + ... + 859356.

It is an arithmetic number, because the mean of its divisors is an integer number (26116421760).

Almost surely, 2^205927813043 is an apocalyptic number.

205927813043 is a deficient number, since it is larger than the sum of its proper divisors (3003561037).

205927813043 is a wasteful number, since it uses less digits than its factorization.

205927813043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1432977.

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 205927813043 in words is "two hundred five billion, nine hundred twenty-seven million, eight hundred thirteen thousand, forty-three".