6348628577 has 4 divisors (see below), whose sum is σ = 6380855316. Its totient is φ = 6316401840.

The previous prime is 6348628571. The next prime is 6348628579. The reversal of 6348628577 is 7758268436.

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 5040432016 + 1308196561 = 70996^2 + 36169^2 .

It is a cyclic number.

It is not a de Polignac number, because 6348628577 - 2¹⁰ = 6348627553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6348628571) 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, 16113074 + ... + 16113467.

It is an arithmetic number, because the mean of its divisors is an integer number (1595213829).

Almost surely, 2^6348628577 is an apocalyptic number.

It is an amenable number.

6348628577 is a deficient number, since it is larger than the sum of its proper divisors (32226739).

6348628577 is a wasteful number, since it uses less digits than its factorization.

6348628577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32226738.

The product of its digits is 13547520, while the sum is 56.

The square root of 6348628577 is about 79678.2817146555. The cubic root of 6348628577 is about 1851.6545779045.

The spelling of 6348628577 in words is "six billion, three hundred forty-eight million, six hundred twenty-eight thousand, five hundred seventy-seven".