7005393664 has 18 divisors (see below), whose sum is σ = 13983423020. Its totient is φ = 3502696704.

The previous prime is 7005393649. The next prime is 7005393679. The reversal of 7005393664 is 4663935007.

It is an interprime number because it is at equal distance from previous prime (7005393649) and next prime (7005393679).

It is a super-2 number, since 2×7005393664² = 98151080775222689792, 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 7005393664.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13682154 + ... + 13682665.

Almost surely, 2^7005393664 is an apocalyptic number.

It is an amenable number.

7005393664 is a deficient number, since it is larger than the sum of its proper divisors (6978029356).

7005393664 is an equidigital number, since it uses as much as digits as its factorization.

7005393664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27364835 (or 27364821 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 43.

The square root of 7005393664 is about 83698.2297542786. The cubic root of 7005393664 is about 1913.4223760665.

The spelling of 7005393664 in words is "seven billion, five million, three hundred ninety-three thousand, six hundred sixty-four".