2268758461 has 4 divisors (see below), whose sum is σ = 2268978652. Its totient is φ = 2268538272.

The previous prime is 2268758449. The next prime is 2268758473. The reversal of 2268758461 is 1648578622.

2268758461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1648578622 = 2 ⋅824289311.

It is an interprime number because it is at equal distance from previous prime (2268758449) and next prime (2268758473).

It can be written as a sum of positive squares in 2 ways, for example, as 1214522500 + 1054235961 = 34850^2 + 32469^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2268758461 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 (2268758431) 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, 93840 + ... + 115513.

It is an arithmetic number, because the mean of its divisors is an integer number (567244663).

Almost surely, 2^2268758461 is an apocalyptic number.

It is an amenable number.

2268758461 is a deficient number, since it is larger than the sum of its proper divisors (220191).

2268758461 is a wasteful number, since it uses less digits than its factorization.

2268758461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220190.

The product of its digits is 1290240, while the sum is 49.

The square root of 2268758461 is about 47631.4860255273. The cubic root of 2268758461 is about 1314.0021848348.

The spelling of 2268758461 in words is "two billion, two hundred sixty-eight million, seven hundred fifty-eight thousand, four hundred sixty-one".