9891732633461 has 8 divisors (see below), whose sum is σ = 11304992788800. Its totient is φ = 8478511351488.

The previous prime is 9891732633421. The next prime is 9891732633481. The reversal of 9891732633461 is 1643362371989.

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 9891732633461 - 2⁴² = 5493686122357 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9891732633394 and 9891732633403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9891732633421) 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, 9171011 + ... + 10192688.

It is an arithmetic number, because the mean of its divisors is an integer number (1413124098600).

Almost surely, 2^{9891732633461} is an apocalyptic number.

It is an amenable number.

9891732633461 is a deficient number, since it is larger than the sum of its proper divisors (1413260155339).

9891732633461 is a wasteful number, since it uses less digits than its factorization.

9891732633461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19436683.

The product of its digits is 35271936, while the sum is 62.

The spelling of 9891732633461 in words is "nine trillion, eight hundred ninety-one billion, seven hundred thirty-two million, six hundred thirty-three thousand, four hundred sixty-one".