6540495532 has 12 divisors (see below), whose sum is σ = 11453658496. Its totient is φ = 3268021680.

The previous prime is 6540495529. The next prime is 6540495539. The reversal of 6540495532 is 2355940456.

It is a super-2 number, since 2×6540495532² = 85556163608223926048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6540495539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 549903 + ... + 561670.

Almost surely, 2^6540495532 is an apocalyptic number.

It is an amenable number.

6540495532 is a deficient number, since it is larger than the sum of its proper divisors (4913162964).

6540495532 is a wasteful number, since it uses less digits than its factorization.

6540495532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113048 (or 1113046 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 43.

The square root of 6540495532 is about 80873.3301651416. The cubic root of 6540495532 is about 1870.1231992955.

The spelling of 6540495532 in words is "six billion, five hundred forty million, four hundred ninety-five thousand, five hundred thirty-two".