205670931741 has 24 divisors (see below), whose sum is σ = 324153760320. Its totient is φ = 124623576000.

The previous prime is 205670931721. The next prime is 205670931757. The reversal of 205670931741 is 147139076502.

It is not a de Polignac number, because 205670931741 - 2¹⁵ = 205670898973 is a prime.

It is a super-2 number, since 2×205670931741² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205670931721) 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 23 ways as a sum of consecutive naturals, for example, 280345 + ... + 699953.

It is an arithmetic number, because the mean of its divisors is an integer number (13506406680).

Almost surely, 2^205670931741 is an apocalyptic number.

It is an amenable number.

205670931741 is a deficient number, since it is larger than the sum of its proper divisors (118482828579).

205670931741 is a wasteful number, since it uses less digits than its factorization.

205670931741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424577 (or 424574 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The spelling of 205670931741 in words is "two hundred five billion, six hundred seventy million, nine hundred thirty-one thousand, seven hundred forty-one".