6446787682282 has 4 divisors (see below), whose sum is σ = 9670181523426. Its totient is φ = 3223393841140.

The previous prime is 6446787682273. The next prime is 6446787682339. The reversal of 6446787682282 is 2822867876446.

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

It can be written as a sum of positive squares in only one way, i.e., 4753668844681 + 1693118837601 = 2180291^2 + 1301199^2 .

It is a super-2 number, since 2×6446787682282² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1611696920569 + ... + 1611696920572.

Almost surely, 2^{6446787682282} is an apocalyptic number.

6446787682282 is a deficient number, since it is larger than the sum of its proper divisors (3223393841144).

6446787682282 is a wasteful number, since it uses less digits than its factorization.

6446787682282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3223393841143.

The product of its digits is 693633024, while the sum is 70.

The spelling of 6446787682282 in words is "six trillion, four hundred forty-six billion, seven hundred eighty-seven million, six hundred eighty-two thousand, two hundred eighty-two".