6381320002 has 16 divisors (see below), whose sum is σ = 9784156032. Its totient is φ = 3120053040.

The previous prime is 6381319969. The next prime is 6381320021. The reversal of 6381320002 is 2000231836.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81088 + ... + 139060.

It is an arithmetic number, because the mean of its divisors is an integer number (611509752).

Almost surely, 2^6381320002 is an apocalyptic number.

6381320002 is a deficient number, since it is larger than the sum of its proper divisors (3402836030).

6381320002 is a wasteful number, since it uses less digits than its factorization.

6381320002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59193.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 6381320002 is about 79883.1646969498. The cubic root of 6381320002 is about 1854.8274216996.

Adding to 6381320002 its reverse (2000231836), we get a palindrome (8381551838).

The spelling of 6381320002 in words is "six billion, three hundred eighty-one million, three hundred twenty thousand, two".