6457628335 has 4 divisors (see below), whose sum is σ = 7749154008. Its totient is φ = 5166102664.

The previous prime is 6457628323. The next prime is 6457628339. The reversal of 6457628335 is 5338267546.

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

It is a cyclic number.

It is not a de Polignac number, because 6457628335 - 2²¹ = 6455531183 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6457628339) 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, 645762829 + ... + 645762838.

It is an arithmetic number, because the mean of its divisors is an integer number (1937288502).

Almost surely, 2^6457628335 is an apocalyptic number.

6457628335 is a deficient number, since it is larger than the sum of its proper divisors (1291525673).

6457628335 is a wasteful number, since it uses less digits than its factorization.

6457628335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291525672.

The product of its digits is 3628800, while the sum is 49.

The square root of 6457628335 is about 80359.3699265991. The cubic root of 6457628335 is about 1862.1915370426.

The spelling of 6457628335 in words is "six billion, four hundred fifty-seven million, six hundred twenty-eight thousand, three hundred thirty-five".