6430567956677 has 4 divisors (see below), whose sum is σ = 6430623991116. Its totient is φ = 6430511922240.

The previous prime is 6430567956601. The next prime is 6430567956679. The reversal of 6430567956677 is 7766597650346.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4098515221441 + 2332052735236 = 2024479^2 + 1527106^2 .

It is a cyclic number.

It is not a de Polignac number, because 6430567956677 - 2¹⁰ = 6430567955653 is a prime.

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 6430567956677.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6430567956679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27844724 + ... + 28074717.

It is an arithmetic number, because the mean of its divisors is an integer number (1607655997779).

Almost surely, 2^{6430567956677} is an apocalyptic number.

It is an amenable number.

6430567956677 is a deficient number, since it is larger than the sum of its proper divisors (56034439).

6430567956677 is a wasteful number, since it uses less digits than its factorization.

6430567956677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56034438.

The product of its (nonzero) digits is 1200225600, while the sum is 71.

The spelling of 6430567956677 in words is "six trillion, four hundred thirty billion, five hundred sixty-seven million, nine hundred fifty-six thousand, six hundred seventy-seven".