205969158430 has 16 divisors (see below), whose sum is σ = 423707983200. Its totient is φ = 70617997152.

The previous prime is 205969158383. The next prime is 205969158457. The reversal of 205969158430 is 34851969502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1471208205 + ... + 1471208344.

It is an arithmetic number, because the mean of its divisors is an integer number (26481748950).

Almost surely, 2^205969158430 is an apocalyptic number.

205969158430 is an abundant number, since it is smaller than the sum of its proper divisors (217738824770).

205969158430 is a wasteful number, since it uses less digits than its factorization.

205969158430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2942416563.

The product of its (nonzero) digits is 2332800, while the sum is 52.

The spelling of 205969158430 in words is "two hundred five billion, nine hundred sixty-nine million, one hundred fifty-eight thousand, four hundred thirty".