6731000641 has 4 divisors (see below), whose sum is σ = 6731220784. Its totient is φ = 6730780500.

The previous prime is 6731000599. The next prime is 6731000681. The reversal of 6731000641 is 1460001376.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a 3-Lehmer number, since φ(6731000641) divides (6731000641-1)³.

It is a cyclic number.

It is not a de Polignac number, because 6731000641 - 2¹³ = 6730992449 is a prime.

It is a deceptive number, since it divides R_6731000640.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6731000681) 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, 55035 + ... + 128416.

It is an arithmetic number, because the mean of its divisors is an integer number (1682805196).

Almost surely, 2^6731000641 is an apocalyptic number.

It is an amenable number.

6731000641 is a deficient number, since it is larger than the sum of its proper divisors (220143).

6731000641 is a wasteful number, since it uses less digits than its factorization.

6731000641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220142.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 6731000641 is about 82042.6757303783. The cubic root of 6731000641 is about 1888.1067461887.

The spelling of 6731000641 in words is "six billion, seven hundred thirty-one million, six hundred forty-one", and thus it is an aban number.