6402332047 has 4 divisors (see below), whose sum is σ = 6402494800. Its totient is φ = 6402169296.

The previous prime is 6402332023. The next prime is 6402332063. The reversal of 6402332047 is 7402332046.

It is a semiprime because it is the product of two primes, 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-6402332047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6402372047) 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, 18454 + ... + 114652.

It is an arithmetic number, because the mean of its divisors is an integer number (1600623700).

Almost surely, 2^6402332047 is an apocalyptic number.

6402332047 is a deficient number, since it is larger than the sum of its proper divisors (162753).

6402332047 is an equidigital number, since it uses as much as digits as its factorization.

6402332047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162752.

The product of its (nonzero) digits is 24192, while the sum is 31.

The square root of 6402332047 is about 80014.5739662469. The cubic root of 6402332047 is about 1856.8610144626.

Subtracting 6402332047 from its reverse (7402332046), we obtain a palindrome (999999999).

The spelling of 6402332047 in words is "six billion, four hundred two million, three hundred thirty-two thousand, forty-seven".