201385394670 has 64 divisors (see below), whose sum is σ = 486715521600. Its totient is φ = 53326261248.

The previous prime is 201385394647. The next prime is 201385394711. The reversal of 201385394670 is 76493583102.

201385394670 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25640464 + ... + 25648316.

It is an arithmetic number, because the mean of its divisors is an integer number (7604930025).

It is a 1-persistent number, because it is pandigital, but 2⋅201385394670 = 402770789340 is not.

Almost surely, 2^201385394670 is an apocalyptic number.

201385394670 is an abundant number, since it is smaller than the sum of its proper divisors (285330126930).

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

201385394670 is a wasteful number, since it uses less digits than its factorization.

201385394670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13749.

The product of its (nonzero) digits is 1088640, while the sum is 48.

The spelling of 201385394670 in words is "two hundred one billion, three hundred eighty-five million, three hundred ninety-four thousand, six hundred seventy".