2006426245 has 8 divisors (see below), whose sum is σ = 2423048184. Its totient is φ = 1594916544.

The previous prime is 2006426209. The next prime is 2006426251. The reversal of 2006426245 is 5426246002.

It can be written as a sum of positive squares in 4 ways, for example, as 24930049 + 1981496196 = 4993^2 + 44514^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2006426245 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1277194 + ... + 1278763.

It is an arithmetic number, because the mean of its divisors is an integer number (302881023).

Almost surely, 2^2006426245 is an apocalyptic number.

It is an amenable number.

2006426245 is a deficient number, since it is larger than the sum of its proper divisors (416621939).

2006426245 is a wasteful number, since it uses less digits than its factorization.

2006426245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2556119.

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 2006426245 is about 44793.1495320434. The cubic root of 2006426245 is about 1261.2690340692.

The spelling of 2006426245 in words is "two billion, six million, four hundred twenty-six thousand, two hundred forty-five".