6807721435352 has 32 divisors (see below), whose sum is σ = 12825613447680. Its totient is φ = 3387559462560.

The previous prime is 6807721435337. The next prime is 6807721435393. The reversal of 6807721435352 is 2535341277086.

It is a happy number.

It is a super-2 number, since 2×6807721435352² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6807721435294 and 6807721435303.

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, 37963133 + ... + 38142035.

It is an arithmetic number, because the mean of its divisors is an integer number (400800420240).

Almost surely, 2^{6807721435352} is an apocalyptic number.

It is an amenable number.

6807721435352 is a deficient number, since it is larger than the sum of its proper divisors (6017892012328).

6807721435352 is a wasteful number, since it uses less digits than its factorization.

6807721435352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201663 (or 201659 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 53.

The spelling of 6807721435352 in words is "six trillion, eight hundred seven billion, seven hundred twenty-one million, four hundred thirty-five thousand, three hundred fifty-two".