6496677725 has 24 divisors (see below), whose sum is σ = 8226605160. Its totient is φ = 5087646720.

The previous prime is 6496677703. The next prime is 6496677739. The reversal of 6496677725 is 5277766946.

It can be written as a sum of positive squares in 12 ways, for example, as 48748324 + 6447929401 = 6982^2 + 80299^2 .

It is not a de Polignac number, because 6496677725 - 2²² = 6492483421 is a prime.

It is a super-2 number, since 2×6496677725² = 84413642925022351250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 600161 + ... + 610889.

It is an arithmetic number, because the mean of its divisors is an integer number (342775215).

Almost surely, 2^6496677725 is an apocalyptic number.

It is an amenable number.

6496677725 is a deficient number, since it is larger than the sum of its proper divisors (1729927435).

6496677725 is a wasteful number, since it uses less digits than its factorization.

6496677725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11249 (or 11244 counting only the distinct ones).

The product of its digits is 26671680, while the sum is 59.

The square root of 6496677725 is about 80601.9709746604. The cubic root of 6496677725 is about 1865.9375645162.

The spelling of 6496677725 in words is "six billion, four hundred ninety-six million, six hundred seventy-seven thousand, seven hundred twenty-five".