213842299648 has 72 divisors (see below), whose sum is σ = 439561570448. Its totient is φ = 103768584192.

The previous prime is 213842299637. The next prime is 213842299673. The reversal of 213842299648 is 846992248312.

It is a junction number, because it is equal to n+sod(n) for n = 213842299592 and 213842299601.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1666390 + ... + 1790122.

Almost surely, 2^213842299648 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 213842299648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219780785224).

213842299648 is an abundant number, since it is smaller than the sum of its proper divisors (225719270800).

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

213842299648 is a wasteful number, since it uses less digits than its factorization.

213842299648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123949 (or 123935 counting only the distinct ones).

The product of its digits is 11943936, while the sum is 58.

The spelling of 213842299648 in words is "two hundred thirteen billion, eight hundred forty-two million, two hundred ninety-nine thousand, six hundred forty-eight".