213479085944 has 16 divisors (see below), whose sum is σ = 401005055400. Its totient is φ = 106544404512.

The previous prime is 213479085929. The next prime is 213479085961. The reversal of 213479085944 is 449580974312.

It is a happy number.

213479085944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×213479085944² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 213479085944.

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 3 ways as a sum of consecutive naturals, for example, 24387659 + ... + 24396410.

Almost surely, 2^213479085944 is an apocalyptic number.

It is an amenable number.

213479085944 is a deficient number, since it is larger than the sum of its proper divisors (187525969456).

213479085944 is a wasteful number, since it uses less digits than its factorization.

213479085944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48784622 (or 48784618 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 56.

The spelling of 213479085944 in words is "two hundred thirteen billion, four hundred seventy-nine million, eighty-five thousand, nine hundred forty-four".