6454826789 has 12 divisors (see below), whose sum is σ = 6965357952. Its totient is φ = 5974999800.

The previous prime is 6454826783. The next prime is 6454826801. The reversal of 6454826789 is 9876284546.

It is a happy number.

It is not a de Polignac number, because 6454826789 - 2²⁰ = 6453778213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6454826783) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 180407 + ... + 213204.

It is an arithmetic number, because the mean of its divisors is an integer number (580446496).

Almost surely, 2^6454826789 is an apocalyptic number.

It is an amenable number.

6454826789 is a deficient number, since it is larger than the sum of its proper divisors (510531163).

6454826789 is a wasteful number, since it uses less digits than its factorization.

6454826789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393688 (or 393665 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 59.

The square root of 6454826789 is about 80341.9366769311. The cubic root of 6454826789 is about 1861.9222033902.

The spelling of 6454826789 in words is "six billion, four hundred fifty-four million, eight hundred twenty-six thousand, seven hundred eighty-nine".