6277064235649 has 3 divisors (see below), whose sum is σ = 6277066741057. Its totient is φ = 6277061730242.

The previous prime is 6277064235641. The next prime is 6277064235683. The reversal of 6277064235649 is 9465324607726.

The square root of 6277064235649 is 2505407.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 6277064235649 - 2³ = 6277064235641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6277064235641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1252704 + ... + 3758110.

Almost surely, 2^{6277064235649} is an apocalyptic number.

6277064235649 is the 2505407-th square number.

6277064235649 is the 1252704-th centered octagonal number.

It is an amenable number.

6277064235649 is a deficient number, since it is larger than the sum of its proper divisors (2505408).

6277064235649 is an frugal number, since it uses more digits than its factorization.

6277064235649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5010814 (or 2505407 counting only the distinct ones).

The product of its (nonzero) digits is 91445760, while the sum is 61.

The spelling of 6277064235649 in words is "six trillion, two hundred seventy-seven billion, sixty-four million, two hundred thirty-five thousand, six hundred forty-nine".