2263532989 has 4 divisors (see below), whose sum is σ = 2263628160. Its totient is φ = 2263437820.

The previous prime is 2263532959. The next prime is 2263532993. The reversal of 2263532989 is 9892353622.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9892353622 = 2 ⋅4946176811.

It is a cyclic number.

It is not a de Polignac number, because 2263532989 - 2¹⁹ = 2263008701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2263532939) 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, 22452 + ... + 70930.

It is an arithmetic number, because the mean of its divisors is an integer number (565907040).

Almost surely, 2^2263532989 is an apocalyptic number.

It is an amenable number.

2263532989 is a deficient number, since it is larger than the sum of its proper divisors (95171).

2263532989 is an equidigital number, since it uses as much as digits as its factorization.

2263532989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95170.

The product of its digits is 1399680, while the sum is 49.

The square root of 2263532989 is about 47576.6012762576. The cubic root of 2263532989 is about 1312.9925930192.

The spelling of 2263532989 in words is "two billion, two hundred sixty-three million, five hundred thirty-two thousand, nine hundred eighty-nine".