6497458987 has 2 divisors, whose sum is σ = 6497458988. Its totient is φ = 6497458986.

The previous prime is 6497458967. The next prime is 6497458999. The reversal of 6497458987 is 7898547946.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6497458987 - 2²⁷ = 6363241259 is a prime.

It is a super-3 number, since 3×6497458987³ (a number of 30 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (6497458967) 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, 3248729493 + 3248729494.

It is an arithmetic number, because the mean of its divisors is an integer number (3248729494).

Almost surely, 2^6497458987 is an apocalyptic number.

6497458987 is a deficient number, since it is larger than the sum of its proper divisors (1).

6497458987 is an equidigital number, since it uses as much as digits as its factorization.

6497458987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 121927680, while the sum is 67.

The square root of 6497458987 is about 80606.8172489151. The cubic root of 6497458987 is about 1866.0123580104.

The spelling of 6497458987 in words is "six billion, four hundred ninety-seven million, four hundred fifty-eight thousand, nine hundred eighty-seven".