9873174461 has 4 divisors (see below), whose sum is σ = 10140017052. Its totient is φ = 9606331872.

The previous prime is 9873174449. The next prime is 9873174463. The reversal of 9873174461 is 1644713789.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1644713789 = 67 ⋅24547967.

It can be written as a sum of positive squares in 2 ways, for example, as 8232114361 + 1641060100 = 90731^2 + 40510^2 .

It is a cyclic number.

It is not a de Polignac number, because 9873174461 - 2¹⁸ = 9872912317 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 (9873174463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133421240 + ... + 133421313.

It is an arithmetic number, because the mean of its divisors is an integer number (2535004263).

Almost surely, 2^9873174461 is an apocalyptic number.

It is an amenable number.

9873174461 is a deficient number, since it is larger than the sum of its proper divisors (266842591).

9873174461 is a wasteful number, since it uses less digits than its factorization.

9873174461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266842590.

The product of its digits is 1016064, while the sum is 50.

The square root of 9873174461 is about 99363.8488636587. The cubic root of 9873174461 is about 2145.2880012046.

The spelling of 9873174461 in words is "nine billion, eight hundred seventy-three million, one hundred seventy-four thousand, four hundred sixty-one".