6487207537 has 2 divisors, whose sum is σ = 6487207538. Its totient is φ = 6487207536.

The previous prime is 6487207511. The next prime is 6487207553. The reversal of 6487207537 is 7357027846.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3258240561 + 3228966976 = 57081^2 + 56824^2 .

It is a cyclic number.

It is not a de Polignac number, because 6487207537 - 2⁷ = 6487207409 is a prime.

It is not a weakly prime, because it can be changed into another prime (6487207037) 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, 3243603768 + 3243603769.

It is an arithmetic number, because the mean of its divisors is an integer number (3243603769).

Almost surely, 2^6487207537 is an apocalyptic number.

It is an amenable number.

6487207537 is a deficient number, since it is larger than the sum of its proper divisors (1).

6487207537 is an equidigital number, since it uses as much as digits as its factorization.

6487207537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1975680, while the sum is 49.

The square root of 6487207537 is about 80543.2029224068. The cubic root of 6487207537 is about 1865.0304663832.

The spelling of 6487207537 in words is "six billion, four hundred eighty-seven million, two hundred seven thousand, five hundred thirty-seven".