2669333257 has 6 divisors (see below), whose sum is σ = 2706347018. Its totient is φ = 2632331664.

The previous prime is 2669333189. The next prime is 2669333267. The reversal of 2669333257 is 7523339662.

It is a happy number.

2669333257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2340237376 + 329095881 = 48376^2 + 18141^2 .

It is not a de Polignac number, because 2669333257 - 2⁷ = 2669333129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2669333267) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 438408 + ... + 444454.

Almost surely, 2^2669333257 is an apocalyptic number.

It is an amenable number.

2669333257 is a deficient number, since it is larger than the sum of its proper divisors (37013761).

2669333257 is an frugal number, since it uses more digits than its factorization.

2669333257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12167 (or 6120 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 46.

The square root of 2669333257 is about 51665.5906479351. The cubic root of 2669333257 is about 1387.1846223333.

The spelling of 2669333257 in words is "two billion, six hundred sixty-nine million, three hundred thirty-three thousand, two hundred fifty-seven".