7932661954559 has 4 divisors (see below), whose sum is σ = 7947324916200. Its totient is φ = 7917998992920.

The previous prime is 7932661954519. The next prime is 7932661954603. The reversal of 7932661954559 is 9554591662397.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7932661954559 - 2⁸ = 7932661954303 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7932661954492 and 7932661954501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7932661954519) 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, 7331480009 + ... + 7331481090.

It is an arithmetic number, because the mean of its divisors is an integer number (1986831229050).

Almost surely, 2^{7932661954559} is an apocalyptic number.

7932661954559 is a deficient number, since it is larger than the sum of its proper divisors (14662961641).

7932661954559 is a wasteful number, since it uses less digits than its factorization.

7932661954559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14662961640.

The product of its digits is 551124000, while the sum is 71.

The spelling of 7932661954559 in words is "seven trillion, nine hundred thirty-two billion, six hundred sixty-one million, nine hundred fifty-four thousand, five hundred fifty-nine".