8120302433 has 4 divisors (see below), whose sum is σ = 8597967300. Its totient is φ = 7642637568.

The previous prime is 8120302397. The next prime is 8120302457. The reversal of 8120302433 is 3342030218.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3342030218 = 2 ⋅1671015109.

It can be written as a sum of positive squares in 2 ways, for example, as 2445994849 + 5674307584 = 49457^2 + 75328^2 .

It is a cyclic number.

It is not a de Polignac number, because 8120302433 - 2¹⁶ = 8120236897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8120302483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238832408 + ... + 238832441.

It is an arithmetic number, because the mean of its divisors is an integer number (2149491825).

Almost surely, 2^8120302433 is an apocalyptic number.

It is an amenable number.

8120302433 is a deficient number, since it is larger than the sum of its proper divisors (477664867).

8120302433 is a wasteful number, since it uses less digits than its factorization.

8120302433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477664866.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 8120302433 is about 90112.7207057916. The cubic root of 8120302433 is about 2009.9753660669.

The spelling of 8120302433 in words is "eight billion, one hundred twenty million, three hundred two thousand, four hundred thirty-three".