6985565464 has 16 divisors (see below), whose sum is σ = 13104254520. Its totient is φ = 3491097600.

The previous prime is 6985565459. The next prime is 6985565467. The reversal of 6985565464 is 4645655896.

It is a junction number, because it is equal to n+sod(n) for n = 6985565399 and 6985565408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6985565467) 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, 192937 + ... + 226264.

Almost surely, 2^6985565464 is an apocalyptic number.

It is an amenable number.

6985565464 is a deficient number, since it is larger than the sum of its proper divisors (6118689056).

6985565464 is a wasteful number, since it uses less digits than its factorization.

6985565464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421290 (or 421286 counting only the distinct ones).

The product of its digits is 31104000, while the sum is 58.

The square root of 6985565464 is about 83579.6952853981. The cubic root of 6985565464 is about 1911.6154077563.

The spelling of 6985565464 in words is "six billion, nine hundred eighty-five million, five hundred sixty-five thousand, four hundred sixty-four".