2258733749 has 4 divisors (see below), whose sum is σ = 2331596160. Its totient is φ = 2185871340.

The previous prime is 2258733667. The next prime is 2258733761. The reversal of 2258733749 is 9473378522.

It is a happy number.

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: 9473378522 = 2 ⋅4736689261.

It is a cyclic number.

It is not a de Polignac number, because 2258733749 - 2⁸ = 2258733493 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2258733697 and 2258733706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2258733769) 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, 36431159 + ... + 36431220.

It is an arithmetic number, because the mean of its divisors is an integer number (582899040).

Almost surely, 2^2258733749 is an apocalyptic number.

It is an amenable number.

2258733749 is a deficient number, since it is larger than the sum of its proper divisors (72862411).

2258733749 is an equidigital number, since it uses as much as digits as its factorization.

2258733749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72862410.

The product of its digits is 2540160, while the sum is 50.

The square root of 2258733749 is about 47526.1375350449. The cubic root of 2258733749 is about 1312.0639819596.

The spelling of 2258733749 in words is "two billion, two hundred fifty-eight million, seven hundred thirty-three thousand, seven hundred forty-nine".