646127013883 has 8 divisors (see below), whose sum is σ = 695924552288. Its totient is φ = 596343112704.

The previous prime is 646127013863. The next prime is 646127013887. The reversal of 646127013883 is 388310721646.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-646127013883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (646127013887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3310791 + ... + 3500512.

It is an arithmetic number, because the mean of its divisors is an integer number (86990569036).

Almost surely, 2^646127013883 is an apocalyptic number.

646127013883 is a deficient number, since it is larger than the sum of its proper divisors (49797538405).

646127013883 is a wasteful number, since it uses less digits than its factorization.

646127013883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6818613.

The product of its (nonzero) digits is 1161216, while the sum is 49.

The spelling of 646127013883 in words is "six hundred forty-six billion, one hundred twenty-seven million, thirteen thousand, eight hundred eighty-three".