6393436612 has 6 divisors (see below), whose sum is σ = 11188514078. Its totient is φ = 3196718304.

The previous prime is 6393436603. The next prime is 6393436627. The reversal of 6393436612 is 2166343936.

It can be written as a sum of positive squares in only one way, i.e., 4519066176 + 1874370436 = 67224^2 + 43294^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 799179573 + ... + 799179580.

Almost surely, 2^6393436612 is an apocalyptic number.

It is an amenable number.

6393436612 is a deficient number, since it is larger than the sum of its proper divisors (4795077466).

6393436612 is a wasteful number, since it uses less digits than its factorization.

6393436612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1598359157 (or 1598359155 counting only the distinct ones).

The product of its digits is 419904, while the sum is 43.

The square root of 6393436612 is about 79958.9683024988. The cubic root of 6393436612 is about 1856.0006382683. Note that the first 3 decimals are identical.

The spelling of 6393436612 in words is "six billion, three hundred ninety-three million, four hundred thirty-six thousand, six hundred twelve".