6497580487 has 2 divisors, whose sum is σ = 6497580488. Its totient is φ = 6497580486.

The previous prime is 6497580473. The next prime is 6497580517. The reversal of 6497580487 is 7840857946.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6497580487 - 2⁷ = 6497580359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4497580487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3248790243 + 3248790244.

It is an arithmetic number, because the mean of its divisors is an integer number (3248790244).

Almost surely, 2^6497580487 is an apocalyptic number.

6497580487 is a deficient number, since it is larger than the sum of its proper divisors (1).

6497580487 is an equidigital number, since it uses as much as digits as its factorization.

6497580487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13547520, while the sum is 58.

The square root of 6497580487 is about 80607.5709037309. The cubic root of 6497580487 is about 1866.0239891772.

The spelling of 6497580487 in words is "six billion, four hundred ninety-seven million, five hundred eighty thousand, four hundred eighty-seven".