213976510356 has 96 divisors (see below), whose sum is σ = 593507819520. Its totient is φ = 58712284800.

The previous prime is 213976510337. The next prime is 213976510379. The reversal of 213976510356 is 653015679312.

213976510356 is digitally balanced in base 3, 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 (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27490 + ... + 654758.

It is an arithmetic number, because the mean of its divisors is an integer number (6182373120).

Almost surely, 2^213976510356 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213976510356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (296753909760).

213976510356 is an abundant number, since it is smaller than the sum of its proper divisors (379531309164).

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

213976510356 is a wasteful number, since it uses less digits than its factorization.

213976510356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627445 (or 627443 counting only the distinct ones).

The product of its (nonzero) digits is 1020600, while the sum is 48.

The spelling of 213976510356 in words is "two hundred thirteen billion, nine hundred seventy-six million, five hundred ten thousand, three hundred fifty-six".