6689577481436 has 24 divisors (see below), whose sum is σ = 11800655790000. Its totient is φ = 3318019928064.

The previous prime is 6689577481429. The next prime is 6689577481459. The reversal of 6689577481436 is 6341847759866.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6839546 + ... + 7756193.

It is an arithmetic number, because the mean of its divisors is an integer number (491693991250).

Almost surely, 2^{6689577481436} is an apocalyptic number.

It is an amenable number.

6689577481436 is a deficient number, since it is larger than the sum of its proper divisors (5111078308564).

6689577481436 is a wasteful number, since it uses less digits than its factorization.

6689577481436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14596661 (or 14596659 counting only the distinct ones).

The product of its digits is 1463132160, while the sum is 74.

The spelling of 6689577481436 in words is "six trillion, six hundred eighty-nine billion, five hundred seventy-seven million, four hundred eighty-one thousand, four hundred thirty-six".