6764543941 has 4 divisors (see below), whose sum is σ = 6767933292. Its totient is φ = 6761154592.

The previous prime is 6764543939. The next prime is 6764543953. The reversal of 6764543941 is 1493454676.

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 1922471716 + 4842072225 = 43846^2 + 69585^2 .

It is a cyclic number.

It is not a de Polignac number, because 6764543941 - 2¹ = 6764543939 is a prime.

It is a super-2 number, since 2×6764543941² = 91518109459439622962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6764543971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1691680 + ... + 1695673.

It is an arithmetic number, because the mean of its divisors is an integer number (1691983323).

Almost surely, 2^6764543941 is an apocalyptic number.

It is an amenable number.

6764543941 is a deficient number, since it is larger than the sum of its proper divisors (3389351).

6764543941 is a wasteful number, since it uses less digits than its factorization.

6764543941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3389350.

The product of its digits is 2177280, while the sum is 49.

The square root of 6764543941 is about 82246.8476052426. The cubic root of 6764543941 is about 1891.2379505711.

The spelling of 6764543941 in words is "six billion, seven hundred sixty-four million, five hundred forty-three thousand, nine hundred forty-one".