201834548261 has 8 divisors (see below), whose sum is σ = 209204580600. Its totient is φ = 194491864000.

The previous prime is 201834548191. The next prime is 201834548281. The reversal of 201834548261 is 162845438102.

It can be written as a sum of positive squares in 4 ways, for example, as 97703130625 + 104131417636 = 312575^2 + 322694^2 .

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

It is not a de Polignac number, because 201834548261 - 2¹⁸ = 201834286117 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 (201834548281) 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, 6821990 + ... + 6851511.

It is an arithmetic number, because the mean of its divisors is an integer number (26150572575).

Almost surely, 2^201834548261 is an apocalyptic number.

It is an amenable number.

201834548261 is a deficient number, since it is larger than the sum of its proper divisors (7370032339).

201834548261 is a wasteful number, since it uses less digits than its factorization.

201834548261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13674039.

The product of its (nonzero) digits is 368640, while the sum is 44.

The spelling of 201834548261 in words is "two hundred one billion, eight hundred thirty-four million, five hundred forty-eight thousand, two hundred sixty-one".