6488426677 has 2 divisors, whose sum is σ = 6488426678. Its totient is φ = 6488426676.

The previous prime is 6488426653. The next prime is 6488426741. The reversal of 6488426677 is 7766248846.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3708079236 + 2780347441 = 60894^2 + 52729^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6488426677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6488429677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3244213338 + 3244213339.

It is an arithmetic number, because the mean of its divisors is an integer number (3244213339).

Almost surely, 2^6488426677 is an apocalyptic number.

It is an amenable number.

6488426677 is a deficient number, since it is larger than the sum of its proper divisors (1).

6488426677 is an equidigital number, since it uses as much as digits as its factorization.

6488426677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21676032, while the sum is 58.

The square root of 6488426677 is about 80550.7708032642. The cubic root of 6488426677 is about 1865.1472907029.

The spelling of 6488426677 in words is "six billion, four hundred eighty-eight million, four hundred twenty-six thousand, six hundred seventy-seven".