6459851709 has 16 divisors (see below), whose sum is σ = 10133101440. Its totient is φ = 4053240000.

The previous prime is 6459851701. The next prime is 6459851771. The reversal of 6459851709 is 9071589546.

It is not a de Polignac number, because 6459851709 - 2³ = 6459851701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6459851701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7036417 + ... + 7037334.

It is an arithmetic number, because the mean of its divisors is an integer number (633318840).

Almost surely, 2^6459851709 is an apocalyptic number.

It is an amenable number.

6459851709 is a deficient number, since it is larger than the sum of its proper divisors (3673249731).

6459851709 is a wasteful number, since it uses less digits than its factorization.

6459851709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14073777 (or 14073771 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 54.

The square root of 6459851709 is about 80373.2026797489. The cubic root of 6459851709 is about 1862.4052312424.

The spelling of 6459851709 in words is "six billion, four hundred fifty-nine million, eight hundred fifty-one thousand, seven hundred nine".