213885970724 has 12 divisors (see below), whose sum is σ = 374376576000. Its totient is φ = 106921234728.

The previous prime is 213885970723. The next prime is 213885970741. The reversal of 213885970724 is 427079588312.

It is a self number, because there is not a number n which added to its sum of digits gives 213885970724.

It is not an unprimeable number, because it can be changed into a prime (213885970721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5415524 + ... + 5454875.

It is an arithmetic number, because the mean of its divisors is an integer number (31198048000).

Almost surely, 2^213885970724 is an apocalyptic number.

It is an amenable number.

213885970724 is a deficient number, since it is larger than the sum of its proper divisors (160490605276).

213885970724 is a wasteful number, since it uses less digits than its factorization.

213885970724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10875322 (or 10875320 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 56.

The spelling of 213885970724 in words is "two hundred thirteen billion, eight hundred eighty-five million, nine hundred seventy thousand, seven hundred twenty-four".