8632609979381 has 8 divisors (see below), whose sum is σ = 8643454142400. Its totient is φ = 8621766246240.

The previous prime is 8632609979321. The next prime is 8632609979449. The reversal of 8632609979381 is 1839799062368.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8632609979381 is a prime.

It is a super-2 number, since 2×8632609979381² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8632609979311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63777866 + ... + 63913076.

It is an arithmetic number, because the mean of its divisors is an integer number (1080431767800).

Almost surely, 2^{8632609979381} is an apocalyptic number.

It is an amenable number.

8632609979381 is a deficient number, since it is larger than the sum of its proper divisors (10844163019).

8632609979381 is a wasteful number, since it uses less digits than its factorization.

8632609979381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214939.

The product of its (nonzero) digits is 211631616, while the sum is 71.

The spelling of 8632609979381 in words is "eight trillion, six hundred thirty-two billion, six hundred nine million, nine hundred seventy-nine thousand, three hundred eighty-one".