6460644435 has 96 divisors (see below), whose sum is σ = 12499407360. Its totient is φ = 2789821440.

The previous prime is 6460644427. The next prime is 6460644451. The reversal of 6460644435 is 5344460646.

It is not a de Polignac number, because 6460644435 - 2³ = 6460644427 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4338171 + ... + 4339659.

It is an arithmetic number, because the mean of its divisors is an integer number (130202160).

Almost surely, 2^6460644435 is an apocalyptic number.

6460644435 is a deficient number, since it is larger than the sum of its proper divisors (6038762925).

6460644435 is a wasteful number, since it uses less digits than its factorization.

6460644435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1609 (or 1578 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 42.

The square root of 6460644435 is about 80378.1340602032. The cubic root of 6460644435 is about 1862.4814103215.

The spelling of 6460644435 in words is "six billion, four hundred sixty million, six hundred forty-four thousand, four hundred thirty-five".