6764454457 has 4 divisors (see below), whose sum is σ = 6779128356. Its totient is φ = 6749780560.

The previous prime is 6764454451. The next prime is 6764454481. The reversal of 6764454457 is 7544544676.

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 709902736 + 6054551721 = 26644^2 + 77811^2 .

It is a cyclic number.

It is not a de Polignac number, because 6764454457 - 2²⁷ = 6630236729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6764454451) 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, 7336258 + ... + 7337179.

It is an arithmetic number, because the mean of its divisors is an integer number (1694782089).

Almost surely, 2^6764454457 is an apocalyptic number.

It is an amenable number.

6764454457 is a deficient number, since it is larger than the sum of its proper divisors (14673899).

6764454457 is a wasteful number, since it uses less digits than its factorization.

6764454457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14673898.

The product of its digits is 11289600, while the sum is 52.

The square root of 6764454457 is about 82246.3036069099. The cubic root of 6764454457 is about 1891.2296111923.

The spelling of 6764454457 in words is "six billion, seven hundred sixty-four million, four hundred fifty-four thousand, four hundred fifty-seven".