6442052677 has 4 divisors (see below), whose sum is σ = 6443834400. Its totient is φ = 6440270956.

The previous prime is 6442052627. The next prime is 6442052693. The reversal of 6442052677 is 7762502446.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7762502446 = 2 ⋅3881251223.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6442052677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6442052627) 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, 885427 + ... + 892672.

It is an arithmetic number, because the mean of its divisors is an integer number (1610958600).

Almost surely, 2^6442052677 is an apocalyptic number.

It is an amenable number.

6442052677 is a deficient number, since it is larger than the sum of its proper divisors (1781723).

6442052677 is a wasteful number, since it uses less digits than its factorization.

6442052677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1781722.

The product of its (nonzero) digits is 564480, while the sum is 43.

The square root of 6442052677 is about 80262.3988988617. The cubic root of 6442052677 is about 1860.6931433084.

The spelling of 6442052677 in words is "six billion, four hundred forty-two million, fifty-two thousand, six hundred seventy-seven".