6481192577 has 2 divisors, whose sum is σ = 6481192578. Its totient is φ = 6481192576.

The previous prime is 6481192561. The next prime is 6481192603. The reversal of 6481192577 is 7752911846.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3591485041 + 2889707536 = 59929^2 + 53756^2 .

It is a cyclic number.

It is not a de Polignac number, because 6481192577 - 2⁴ = 6481192561 is a prime.

It is not a weakly prime, because it can be changed into another prime (6481192777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3240596288 + 3240596289.

It is an arithmetic number, because the mean of its divisors is an integer number (3240596289).

Almost surely, 2^6481192577 is an apocalyptic number.

It is an amenable number.

6481192577 is a deficient number, since it is larger than the sum of its proper divisors (1).

6481192577 is an equidigital number, since it uses as much as digits as its factorization.

6481192577 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 846720, while the sum is 50.

The square root of 6481192577 is about 80505.8543026530. The cubic root of 6481192577 is about 1864.4538673599.

The spelling of 6481192577 in words is "six billion, four hundred eighty-one million, one hundred ninety-two thousand, five hundred seventy-seven".