2261650433 has 4 divisors (see below), whose sum is σ = 2584743360. Its totient is φ = 1938557508.

The previous prime is 2261650411. The next prime is 2261650507. The reversal of 2261650433 is 3340561622.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3340561622 = 2 ⋅1670280811.

It is a cyclic number.

It is not a de Polignac number, because 2261650433 - 2¹² = 2261646337 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2261650433.

It is not an unprimeable number, because it can be changed into a prime (2261650033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161546453 + ... + 161546466.

It is an arithmetic number, because the mean of its divisors is an integer number (646185840).

Almost surely, 2^2261650433 is an apocalyptic number.

It is an amenable number.

2261650433 is a deficient number, since it is larger than the sum of its proper divisors (323092927).

2261650433 is an equidigital number, since it uses as much as digits as its factorization.

2261650433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323092926.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 2261650433 is about 47556.8126875635. The cubic root of 2261650433 is about 1312.6284914628.

The spelling of 2261650433 in words is "two billion, two hundred sixty-one million, six hundred fifty thousand, four hundred thirty-three".