6477040697 has 2 divisors, whose sum is σ = 6477040698. Its totient is φ = 6477040696.

The previous prime is 6477040667. The next prime is 6477040711. The reversal of 6477040697 is 7960407746.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5431100416 + 1045940281 = 73696^2 + 32341^2 .

It is a cyclic number.

It is not a de Polignac number, because 6477040697 - 2⁸ = 6477040441 is a prime.

It is not a weakly prime, because it can be changed into another prime (6477040607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3238520348 + 3238520349.

It is an arithmetic number, because the mean of its divisors is an integer number (3238520349).

Almost surely, 2^6477040697 is an apocalyptic number.

It is an amenable number.

6477040697 is a deficient number, since it is larger than the sum of its proper divisors (1).

6477040697 is an equidigital number, since it uses as much as digits as its factorization.

6477040697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1778112, while the sum is 50.

The square root of 6477040697 is about 80480.0639723901. The cubic root of 6477040697 is about 1864.0556565785.

The spelling of 6477040697 in words is "six billion, four hundred seventy-seven million, forty thousand, six hundred ninety-seven".