6490617632 has 24 divisors (see below), whose sum is σ = 12921986700. Its totient is φ = 3208843264.

The previous prime is 6490617619. The next prime is 6490617667. The reversal of 6490617632 is 2367160946.

It can be written as a sum of positive squares in 2 ways, for example, as 6490558096 + 59536 = 80564^2 + 244^2 .

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 1136657 + ... + 1142352.

Almost surely, 2^6490617632 is an apocalyptic number.

It is an amenable number.

6490617632 is a deficient number, since it is larger than the sum of its proper divisors (6431369068).

6490617632 is a wasteful number, since it uses less digits than its factorization.

6490617632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2279108 (or 2279100 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 44.

The square root of 6490617632 is about 80564.3694942125. The cubic root of 6490617632 is about 1865.3572026026.

The spelling of 6490617632 in words is "six billion, four hundred ninety million, six hundred seventeen thousand, six hundred thirty-two".