6495655090 has 16 divisors (see below), whose sum is σ = 11912787288. Its totient is φ = 2549238016.

The previous prime is 6495655087. The next prime is 6495655109. The reversal of 6495655090 is 905565946.

It can be written as a sum of positive squares in 4 ways, for example, as 5525394889 + 970260201 = 74333^2 + 31149^2 .

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, 6127447 + ... + 6128506.

Almost surely, 2^6495655090 is an apocalyptic number.

6495655090 is a deficient number, since it is larger than the sum of its proper divisors (5417132198).

6495655090 is a wasteful number, since it uses less digits than its factorization.

6495655090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12256013.

The product of its (nonzero) digits is 1458000, while the sum is 49.

The square root of 6495655090 is about 80595.6269905508. The cubic root of 6495655090 is about 1865.8396543088.

The spelling of 6495655090 in words is "six billion, four hundred ninety-five million, six hundred fifty-five thousand, ninety".