6465530652 has 48 divisors (see below), whose sum is σ = 17484268032. Its totient is φ = 1821274560.

The previous prime is 6465530639. The next prime is 6465530677. The reversal of 6465530652 is 2560355646.

It is a super-2 number, since 2×6465530652² = 83606173223903090208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 536083 + ... + 548010.

It is an arithmetic number, because the mean of its divisors is an integer number (364255584).

Almost surely, 2^6465530652 is an apocalyptic number.

It is an amenable number.

6465530652 is an abundant number, since it is smaller than the sum of its proper divisors (11018737380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6465530652 is a wasteful number, since it uses less digits than its factorization.

6465530652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084178 (or 1084176 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 42.

The square root of 6465530652 is about 80408.5235034197. The cubic root of 6465530652 is about 1862.9508266022.

The spelling of 6465530652 in words is "six billion, four hundred sixty-five million, five hundred thirty thousand, six hundred fifty-two".