6468980907278 has 4 divisors (see below), whose sum is σ = 9703471360920. Its totient is φ = 3234490453638.

The previous prime is 6468980907161. The next prime is 6468980907283. The reversal of 6468980907278 is 8727090898646.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1617245226818 + ... + 1617245226821.

It is an arithmetic number, because the mean of its divisors is an integer number (2425867840230).

Almost surely, 2^{6468980907278} is an apocalyptic number.

6468980907278 is a deficient number, since it is larger than the sum of its proper divisors (3234490453642).

6468980907278 is a wasteful number, since it uses less digits than its factorization.

6468980907278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3234490453641.

The product of its (nonzero) digits is 585252864, while the sum is 74.

The spelling of 6468980907278 in words is "six trillion, four hundred sixty-eight billion, nine hundred eighty million, nine hundred seven thousand, two hundred seventy-eight".