6728691352 has 8 divisors (see below), whose sum is σ = 12616296300. Its totient is φ = 3364345672.

The previous prime is 6728691349. The next prime is 6728691383. The reversal of 6728691352 is 2531968276.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 6728691296 and 6728691305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 420543202 + ... + 420543217.

Almost surely, 2^6728691352 is an apocalyptic number.

It is an amenable number.

6728691352 is a deficient number, since it is larger than the sum of its proper divisors (5887604948).

6728691352 is a wasteful number, since it uses less digits than its factorization.

6728691352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841086425 (or 841086421 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 49.

The square root of 6728691352 is about 82028.6008170321. The cubic root of 6728691352 is about 1887.8907959854.

The spelling of 6728691352 in words is "six billion, seven hundred twenty-eight million, six hundred ninety-one thousand, three hundred fifty-two".