2158415433 has 12 divisors (see below), whose sum is σ = 3137571268. Its totient is φ = 1429777440.

The previous prime is 2158415431. The next prime is 2158415443. The reversal of 2158415433 is 3345148512.

2158415433 is a `hidden beast` number, since 21 + 58 + 41 + 543 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1475481744 + 682933689 = 38412^2 + 26133^2 .

It is not a de Polignac number, because 2158415433 - 2¹ = 2158415431 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2158415431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 762358 + ... + 765183.

Almost surely, 2^2158415433 is an apocalyptic number.

It is an amenable number.

2158415433 is a deficient number, since it is larger than the sum of its proper divisors (979155835).

2158415433 is a wasteful number, since it uses less digits than its factorization.

2158415433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1527704 (or 1527701 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 2158415433 is about 46458.7498002260. The cubic root of 2158415433 is about 1292.3446398295.

The spelling of 2158415433 in words is "two billion, one hundred fifty-eight million, four hundred fifteen thousand, four hundred thirty-three".