213885970792 has 64 divisors (see below), whose sum is σ = 451332161280. Its totient is φ = 94369266432.

The previous prime is 213885970741. The next prime is 213885970799. The reversal of 213885970792 is 297079588312.

It is a self number, because there is not a number n which added to its sum of digits gives 213885970792.

It is not an unprimeable number, because it can be changed into a prime (213885970799) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 298623 + ... + 718990.

It is an arithmetic number, because the mean of its divisors is an integer number (7052065020).

Almost surely, 2^213885970792 is an apocalyptic number.

It is an amenable number.

213885970792 is an abundant number, since it is smaller than the sum of its proper divisors (237446190488).

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

213885970792 is a wasteful number, since it uses less digits than its factorization.

213885970792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017722 (or 1017718 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 61.

The spelling of 213885970792 in words is "two hundred thirteen billion, eight hundred eighty-five million, nine hundred seventy thousand, seven hundred ninety-two".