6475940761 has 2 divisors, whose sum is σ = 6475940762. Its totient is φ = 6475940760.

The previous prime is 6475940711. The next prime is 6475940813. The reversal of 6475940761 is 1670495746.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4937732361 + 1538208400 = 70269^2 + 39220^2 .

It is a cyclic number.

It is not a de Polignac number, because 6475940761 - 2¹¹ = 6475938713 is a prime.

It is not a weakly prime, because it can be changed into another prime (6475940711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3237970380 + 3237970381.

It is an arithmetic number, because the mean of its divisors is an integer number (3237970381).

Almost surely, 2^6475940761 is an apocalyptic number.

It is an amenable number.

6475940761 is a deficient number, since it is larger than the sum of its proper divisors (1).

6475940761 is an equidigital number, since it uses as much as digits as its factorization.

6475940761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1270080, while the sum is 49.

The square root of 6475940761 is about 80473.2300892663. The cubic root of 6475940761 is about 1863.9501321529.

The spelling of 6475940761 in words is "six billion, four hundred seventy-five million, nine hundred forty thousand, seven hundred sixty-one".