485313913639 has 4 divisors (see below), whose sum is σ = 487327664560. Its totient is φ = 483300162720.

The previous prime is 485313913633. The next prime is 485313913691. The reversal of 485313913639 is 936319313584.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 485313913639 - 2¹⁵ = 485313880871 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 485313913639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485313913633) 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, 1006875099 + ... + 1006875580.

It is an arithmetic number, because the mean of its divisors is an integer number (121831916140).

Almost surely, 2^485313913639 is an apocalyptic number.

485313913639 is a deficient number, since it is larger than the sum of its proper divisors (2013750921).

485313913639 is a wasteful number, since it uses less digits than its factorization.

485313913639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2013750920.

The product of its digits is 6298560, while the sum is 55.

The spelling of 485313913639 in words is "four hundred eighty-five billion, three hundred thirteen million, nine hundred thirteen thousand, six hundred thirty-nine".