6821425260 has 96 divisors (see below), whose sum is σ = 22854713280. Its totient is φ = 1679118336.

The previous prime is 6821425241. The next prime is 6821425313. The reversal of 6821425260 is 625241286.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 478837 + ... + 492876.

It is an arithmetic number, because the mean of its divisors is an integer number (238069930).

Almost surely, 2^6821425260 is an apocalyptic number.

6821425260 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6821425260 is an abundant number, since it is smaller than the sum of its proper divisors (16033288020).

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

6821425260 is a wasteful number, since it uses less digits than its factorization.

6821425260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971744 (or 971736 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 6821425260 is about 82591.9200648586. The cubic root of 6821425260 is about 1896.5241400610.

The spelling of 6821425260 in words is "six billion, eight hundred twenty-one million, four hundred twenty-five thousand, two hundred sixty".