213792197850 has 960 divisors, whose sum is σ = 792741261312. Its totient is φ = 41399424000.

The previous prime is 213792197821. The next prime is 213792197939. The reversal of 213792197850 is 58791297312.

It is a happy number.

213792197850 is a `hidden beast` number, since 2 + 1 + 379 + 2 + 197 + 85 + 0 = 666.

213792197850 is digitally balanced in base 3 and base 7, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 479 ways as a sum of consecutive naturals, for example, 294074187 + ... + 294074913.

Almost surely, 2^213792197850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213792197850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (396370630656).

213792197850 is an abundant number, since it is smaller than the sum of its proper divisors (578949063462).

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

213792197850 is a wasteful number, since it uses less digits than its factorization.

213792197850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833 (or 819 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 54.

The spelling of 213792197850 in words is "two hundred thirteen billion, seven hundred ninety-two million, one hundred ninety-seven thousand, eight hundred fifty".