6460644434 has 8 divisors (see below), whose sum is σ = 9694671948. Its totient is φ = 3229087120.

The previous prime is 6460644427. The next prime is 6460644451. The reversal of 6460644434 is 4344460646.

It can be written as a sum of positive squares in 2 ways, for example, as 6458533225 + 2111209 = 80365^2 + 1453^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 6460644391 and 6460644400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 610997 + ... + 621480.

Almost surely, 2^6460644434 is an apocalyptic number.

6460644434 is a deficient number, since it is larger than the sum of its proper divisors (3234027514).

6460644434 is a wasteful number, since it uses less digits than its factorization.

6460644434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235100.

The product of its (nonzero) digits is 663552, while the sum is 41.

The square root of 6460644434 is about 80378.1340539826. The cubic root of 6460644434 is about 1862.4814102254.

The spelling of 6460644434 in words is "six billion, four hundred sixty million, six hundred forty-four thousand, four hundred thirty-four".