1650113233 has 4 divisors (see below), whose sum is σ = 1665534960. Its totient is φ = 1634691508.

The previous prime is 1650113203. The next prime is 1650113249. The reversal of 1650113233 is 3323110561.

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: 3323110561 = 1787 ⋅1859603.

It is a cyclic number.

It is not a de Polignac number, because 1650113233 - 2²⁹ = 1113242321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1650113198 and 1650113207.

It is not an unprimeable number, because it can be changed into a prime (1650113203) 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, 7710703 + ... + 7710916.

It is an arithmetic number, because the mean of its divisors is an integer number (416383740).

Almost surely, 2^1650113233 is an apocalyptic number.

It is an amenable number.

1650113233 is a deficient number, since it is larger than the sum of its proper divisors (15421727).

1650113233 is a wasteful number, since it uses less digits than its factorization.

1650113233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15421726.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 1650113233 is about 40621.5858011476. The cubic root of 1650113233 is about 1181.6927808710.

Adding to 1650113233 its reverse (3323110561), we get a palindrome (4973223794).

The spelling of 1650113233 in words is "one billion, six hundred fifty million, one hundred thirteen thousand, two hundred thirty-three".