2158733284 has 6 divisors (see below), whose sum is σ = 3777783254. Its totient is φ = 1079366640.

The previous prime is 2158733273. The next prime is 2158733293. The reversal of 2158733284 is 4823378512.

It can be written as a sum of positive squares in only one way, i.e., 1251036900 + 907696384 = 35370^2 + 30128^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2158733284.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269841657 + ... + 269841664.

Almost surely, 2^2158733284 is an apocalyptic number.

It is an amenable number.

2158733284 is a deficient number, since it is larger than the sum of its proper divisors (1619049970).

2158733284 is a wasteful number, since it uses less digits than its factorization.

2158733284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539683325 (or 539683323 counting only the distinct ones).

The product of its digits is 322560, while the sum is 43.

The square root of 2158733284 is about 46462.1704615701. The cubic root of 2158733284 is about 1292.4080741538.

The spelling of 2158733284 in words is "two billion, one hundred fifty-eight million, seven hundred thirty-three thousand, two hundred eighty-four".