2645364226 has 8 divisors (see below), whose sum is σ = 3968460540. Its totient is φ = 1322544048.

The previous prime is 2645364223. The next prime is 2645364229. The reversal of 2645364226 is 6224635462.

It is an interprime number because it is at equal distance from previous prime (2645364223) and next prime (2645364229).

It can be written as a sum of positive squares in 2 ways, for example, as 2636925201 + 8439025 = 51351^2 + 2905^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2645364223) 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, 43141 + ... + 84568.

Almost surely, 2^2645364226 is an apocalyptic number.

2645364226 is a deficient number, since it is larger than the sum of its proper divisors (1323096314).

2645364226 is a wasteful number, since it uses less digits than its factorization.

2645364226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138068.

The product of its digits is 414720, while the sum is 40.

The square root of 2645364226 is about 51433.1043784059. The cubic root of 2645364226 is about 1383.0201003794.

Adding to 2645364226 its reverse (6224635462), we get a palindrome (8869999688).

The spelling of 2645364226 in words is "two billion, six hundred forty-five million, three hundred sixty-four thousand, two hundred twenty-six".