3005605426 has 4 divisors (see below), whose sum is σ = 4508408142. Its totient is φ = 1502802712.

The previous prime is 3005605399. The next prime is 3005605429. The reversal of 3005605426 is 6245065003.

3005605426 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.

It can be written as a sum of positive squares in only one way, i.e., 2204772025 + 800833401 = 46955^2 + 28299^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (3005605429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 751401355 + ... + 751401358.

Almost surely, 2^3005605426 is an apocalyptic number.

3005605426 is a deficient number, since it is larger than the sum of its proper divisors (1502802716).

3005605426 is a wasteful number, since it uses less digits than its factorization.

3005605426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502802715.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 3005605426 is about 54823.4021746188. The cubic root of 3005605426 is about 1443.1472806717.

The spelling of 3005605426 in words is "three billion, five million, six hundred five thousand, four hundred twenty-six".