6489311480 has 16 divisors (see below), whose sum is σ = 14600950920. Its totient is φ = 2595724576.

The previous prime is 6489311459. The next prime is 6489311579. The reversal of 6489311480 is 841139846.

It is a super-2 number, since 2×6489311480² = 84222326968919580800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81116354 + ... + 81116433.

Almost surely, 2^6489311480 is an apocalyptic number.

It is an amenable number.

6489311480 is an abundant number, since it is smaller than the sum of its proper divisors (8111639440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6489311480 is a wasteful number, since it uses less digits than its factorization.

6489311480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162232798 (or 162232794 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 6489311480 is about 80556.2628229488. The cubic root of 6489311480 is about 1865.2320679528.

The spelling of 6489311480 in words is "six billion, four hundred eighty-nine million, three hundred eleven thousand, four hundred eighty".