6408332894 has 4 divisors (see below), whose sum is σ = 9612499344. Its totient is φ = 3204166446.

The previous prime is 6408332893. The next prime is 6408332897. The reversal of 6408332894 is 4982338046.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6408332893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1602083222 + ... + 1602083225.

It is an arithmetic number, because the mean of its divisors is an integer number (2403124836).

Almost surely, 2^6408332894 is an apocalyptic number.

6408332894 is a deficient number, since it is larger than the sum of its proper divisors (3204166450).

6408332894 is a wasteful number, since it uses less digits than its factorization.

6408332894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3204166449.

The product of its (nonzero) digits is 995328, while the sum is 47.

The square root of 6408332894 is about 80052.0636461047. The cubic root of 6408332894 is about 1857.4409728928.

The spelling of 6408332894 in words is "six billion, four hundred eight million, three hundred thirty-two thousand, eight hundred ninety-four".