2158912533 has 16 divisors (see below), whose sum is σ = 2907273600. Its totient is φ = 1424934720.

The previous prime is 2158912517. The next prime is 2158912577. The reversal of 2158912533 is 3352198512.

It is not a de Polignac number, because 2158912533 - 2⁴ = 2158912517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2158912491 and 2158912500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2158912583) 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, 674968 + ... + 678158.

It is an arithmetic number, because the mean of its divisors is an integer number (181704600).

Almost surely, 2^2158912533 is an apocalyptic number.

It is an amenable number.

2158912533 is a deficient number, since it is larger than the sum of its proper divisors (748361067).

2158912533 is a wasteful number, since it uses less digits than its factorization.

2158912533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5372.

The product of its digits is 64800, while the sum is 39.

The square root of 2158912533 is about 46464.0993994288. The cubic root of 2158912533 is about 1292.4438445823.

The spelling of 2158912533 in words is "two billion, one hundred fifty-eight million, nine hundred twelve thousand, five hundred thirty-three".