6280371808489 has 9 divisors (see below), whose sum is σ = 6290037514263. Its totient is φ = 6270720944472.

The previous prime is 6280371808433. The next prime is 6280371808631. The reversal of 6280371808489 is 9848081730826.

The square root of 6280371808489 is 2506067.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 3615576752089 + 2664795056400 = 1901467^2 + 1632420^2 .

It is a de Polignac number, because none of the positive numbers 2^k-6280371808489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6280371808489.

It is not an unprimeable number, because it can be changed into a prime (6280377808489) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2077528032 + ... + 2077531054.

Almost surely, 2^{6280371808489} is an apocalyptic number.

6280371808489 is the 2506067-th square number.

6280371808489 is the 1253034-th centered octagonal number.

It is an amenable number.

6280371808489 is a deficient number, since it is larger than the sum of its proper divisors (9665705774).

6280371808489 is an frugal number, since it uses more digits than its factorization.

6280371808489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7704 (or 3852 counting only the distinct ones).

The product of its (nonzero) digits is 37158912, while the sum is 64.

Multiplying 6280371808489 by its sum of digits (64), we get a square (401943795743296 = 20048536²).

The spelling of 6280371808489 in words is "six trillion, two hundred eighty billion, three hundred seventy-one million, eight hundred eight thousand, four hundred eighty-nine".