5213666670 has 64 divisors (see below), whose sum is σ = 12916108800. Its totient is φ = 1345880448.

The previous prime is 5213666651. The next prime is 5213666683. The reversal of 5213666670 is 766663125.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 209089 + ... + 232691.

It is an arithmetic number, because the mean of its divisors is an integer number (201814200).

Almost surely, 2^5213666670 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5213666670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6458054400).

5213666670 is an abundant number, since it is smaller than the sum of its proper divisors (7702442130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5213666670 is a wasteful number, since it uses less digits than its factorization.

5213666670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23849.

The product of its (nonzero) digits is 272160, while the sum is 42.

The square root of 5213666670 is about 72205.7246345468. The cubic root of 5213666670 is about 1733.9946526923.

The spelling of 5213666670 in words is "five billion, two hundred thirteen million, six hundred sixty-six thousand, six hundred seventy".