6530451964 has 12 divisors (see below), whose sum is σ = 11430241704. Its totient is φ = 3264668624.

The previous prime is 6530451947. The next prime is 6530452009. The reversal of 6530451964 is 4691540356.

It is a super-2 number, since 2×6530451964² = 85293605708222914592, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6530451964.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112399 + ... + 160294.

It is an arithmetic number, because the mean of its divisors is an integer number (952520142).

Almost surely, 2^6530451964 is an apocalyptic number.

It is an amenable number.

6530451964 is a deficient number, since it is larger than the sum of its proper divisors (4899789740).

6530451964 is a wasteful number, since it uses less digits than its factorization.

6530451964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278684 (or 278682 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 43.

The square root of 6530451964 is about 80811.2118706309. The cubic root of 6530451964 is about 1869.1654567786.

The spelling of 6530451964 in words is "six billion, five hundred thirty million, four hundred fifty-one thousand, nine hundred sixty-four".