6353643616 has 12 divisors (see below), whose sum is σ = 12508735932. Its totient is φ = 3176821792.

The previous prime is 6353643613. The next prime is 6353643619. The reversal of 6353643616 is 6163463536.

It is an interprime number because it is at equal distance from previous prime (6353643613) and next prime (6353643619).

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6353643613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99275650 + ... + 99275713.

It is an arithmetic number, because the mean of its divisors is an integer number (1042394661).

Almost surely, 2^6353643616 is an apocalyptic number.

It is an amenable number.

6353643616 is a deficient number, since it is larger than the sum of its proper divisors (6155092316).

6353643616 is a wasteful number, since it uses less digits than its factorization.

6353643616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198551373 (or 198551365 counting only the distinct ones).

The product of its digits is 699840, while the sum is 43.

The square root of 6353643616 is about 79709.7460540429. The cubic root of 6353643616 is about 1852.1420152422.

The spelling of 6353643616 in words is "six billion, three hundred fifty-three million, six hundred forty-three thousand, six hundred sixteen".