664610335413 has 4 divisors (see below), whose sum is σ = 886147113888. Its totient is φ = 443073556940.

The previous prime is 664610335393. The next prime is 664610335439. The reversal of 664610335413 is 314533016466.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 664610335413 - 2⁵ = 664610335381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (664610335453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110768389233 + ... + 110768389238.

It is an arithmetic number, because the mean of its divisors is an integer number (221536778472).

Almost surely, 2^664610335413 is an apocalyptic number.

It is an amenable number.

664610335413 is a deficient number, since it is larger than the sum of its proper divisors (221536778475).

664610335413 is a wasteful number, since it uses less digits than its factorization.

664610335413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221536778474.

The product of its (nonzero) digits is 466560, while the sum is 42.

The spelling of 664610335413 in words is "six hundred sixty-four billion, six hundred ten million, three hundred thirty-five thousand, four hundred thirteen".