6333906641 has 4 divisors (see below), whose sum is σ = 6334067712. Its totient is φ = 6333745572.

The previous prime is 6333906611. The next prime is 6333906643. The reversal of 6333906641 is 1466093336.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6333906641 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6333906643) 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, 21776 + ... + 114638.

It is an arithmetic number, because the mean of its divisors is an integer number (1583516928).

Almost surely, 2^6333906641 is an apocalyptic number.

It is an amenable number.

6333906641 is a deficient number, since it is larger than the sum of its proper divisors (161071).

6333906641 is an equidigital number, since it uses as much as digits as its factorization.

6333906641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161070.

The product of its (nonzero) digits is 209952, while the sum is 41.

The square root of 6333906641 is about 79585.8444762635. The cubic root of 6333906641 is about 1850.2221930350. Note that the first 3 decimals are identical.

Adding to 6333906641 its reverse (1466093336), we get a palindrome (7799999977).

The spelling of 6333906641 in words is "six billion, three hundred thirty-three million, nine hundred six thousand, six hundred forty-one".