6487497026 has 16 divisors (see below), whose sum is σ = 10071424440. Its totient is φ = 3130458240.

The previous prime is 6487497019. The next prime is 6487497073. The reversal of 6487497026 is 6207947846.

It is a Cunningham number, because it is equal to 80545²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 6487497025 + 1 = 80545^2 + 1^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107780 + ... + 156816.

Almost surely, 2^6487497026 is an apocalyptic number.

6487497026 is a deficient number, since it is larger than the sum of its proper divisors (3583927414).

6487497026 is a wasteful number, since it uses less digits than its factorization.

6487497026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51349.

The product of its (nonzero) digits is 4064256, while the sum is 53.

The square root of 6487497026 is about 80545.0000062077. Note that the first 5 decimals coincide. The cubic root of 6487497026 is about 1865.0582080461.

The spelling of 6487497026 in words is "six billion, four hundred eighty-seven million, four hundred ninety-seven thousand, twenty-six".