2121162433 has 6 divisors (see below), whose sum is σ = 2296880214. Its totient is φ = 1957995936.

The previous prime is 2121162431. The next prime is 2121162467. The reversal of 2121162433 is 3342611212.

It can be written as a sum of positive squares in 3 ways, for example, as 226562704 + 1894599729 = 15052^2 + 43527^2 .

It is not a de Polignac number, because 2121162433 - 2¹ = 2121162431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2121162398 and 2121162407.

It is not an unprimeable number, because it can be changed into a prime (2121162431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6275460 + ... + 6275797.

It is an arithmetic number, because the mean of its divisors is an integer number (382813369).

Almost surely, 2^2121162433 is an apocalyptic number.

It is an amenable number.

2121162433 is a deficient number, since it is larger than the sum of its proper divisors (175717781).

2121162433 is a wasteful number, since it uses less digits than its factorization.

2121162433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12551283 (or 12551270 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

The square root of 2121162433 is about 46056.0792187090. The cubic root of 2121162433 is about 1284.8664101309.

Adding to 2121162433 its reverse (3342611212), we get a palindrome (5463773645).

The spelling of 2121162433 in words is "two billion, one hundred twenty-one million, one hundred sixty-two thousand, four hundred thirty-three".