205272492481 has 8 divisors (see below), whose sum is σ = 234716053824. Its totient is φ = 175858661040.

The previous prime is 205272492473. The next prime is 205272492497. The reversal of 205272492481 is 184294272502.

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 205272492481 - 2³ = 205272492473 is a prime.

It is a super-2 number, since 2×205272492481² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (205272492431) 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, 7417675 + ... + 7445296.

It is an arithmetic number, because the mean of its divisors is an integer number (29339506728).

Almost surely, 2^205272492481 is an apocalyptic number.

It is an amenable number.

205272492481 is a deficient number, since it is larger than the sum of its proper divisors (29443561343).

205272492481 is a wasteful number, since it uses less digits than its factorization.

205272492481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14864951.

The product of its (nonzero) digits is 645120, while the sum is 46.

The spelling of 205272492481 in words is "two hundred five billion, two hundred seventy-two million, four hundred ninety-two thousand, four hundred eighty-one".