2259768646 has 8 divisors (see below), whose sum is σ = 3391371720. Its totient is φ = 1129311408.

The previous prime is 2259768611. The next prime is 2259768649. The reversal of 2259768646 is 6468679522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2259768649) 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, 281511 + ... + 289426.

It is an arithmetic number, because the mean of its divisors is an integer number (423921465).

Almost surely, 2^2259768646 is an apocalyptic number.

2259768646 is a deficient number, since it is larger than the sum of its proper divisors (1131603074).

2259768646 is a wasteful number, since it uses less digits than its factorization.

2259768646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572918.

The product of its digits is 8709120, while the sum is 55.

The square root of 2259768646 is about 47537.0239497594. The cubic root of 2259768646 is about 1312.2643366575.

The spelling of 2259768646 in words is "two billion, two hundred fifty-nine million, seven hundred sixty-eight thousand, six hundred forty-six".