2198858730832 has 120 divisors (see below), whose sum is σ = 4468514487840. Its totient is φ = 1047841920000.

The previous prime is 2198858730797. The next prime is 2198858730857. The reversal of 2198858730832 is 2380378588912.

It is a super-2 number, since 2×2198858730832² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 258654582 + ... + 258663082.

It is an arithmetic number, because the mean of its divisors is an integer number (37237620732).

Almost surely, 2^{2198858730832} is an apocalyptic number.

It is an amenable number.

2198858730832 is an abundant number, since it is smaller than the sum of its proper divisors (2269655757008).

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

2198858730832 is a wasteful number, since it uses less digits than its factorization.

2198858730832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8813 (or 8766 counting only the distinct ones).

The product of its (nonzero) digits is 46448640, while the sum is 64.

The spelling of 2198858730832 in words is "two trillion, one hundred ninety-eight billion, eight hundred fifty-eight million, seven hundred thirty thousand, eight hundred thirty-two".