6557669793 has 16 divisors (see below), whose sum is σ = 9758640640. Its totient is φ = 4352171472.

The previous prime is 6557669737. The next prime is 6557669809. The reversal of 6557669793 is 3979667556.

6557669793 is a `hidden beast` number, since 6 + 557 + 6 + 6 + 9 + 79 + 3 = 666.

It is not a de Polignac number, because 6557669793 - 2¹⁰ = 6557668769 is a prime.

It is a super-2 number, since 2×6557669793² = 86006066228049325698, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6557669793.

It is not an unprimeable number, because it can be changed into a prime (6557664793) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 538546 + ... + 550587.

It is an arithmetic number, because the mean of its divisors is an integer number (609915040).

Almost surely, 2^6557669793 is an apocalyptic number.

It is an amenable number.

6557669793 is a deficient number, since it is larger than the sum of its proper divisors (3200970847).

6557669793 is a wasteful number, since it uses less digits than its factorization.

6557669793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089365 (or 1089359 counting only the distinct ones).

The product of its digits is 64297800, while the sum is 63.

The square root of 6557669793 is about 80979.4405574650. The cubic root of 6557669793 is about 1871.7586468715.

The spelling of 6557669793 in words is "six billion, five hundred fifty-seven million, six hundred sixty-nine thousand, seven hundred ninety-three".