2008136773 has 4 divisors (see below), whose sum is σ = 2009494188. Its totient is φ = 2006779360.

The previous prime is 2008136759. The next prime is 2008136789. The reversal of 2008136773 is 3776318002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1582209729 + 425927044 = 39777^2 + 20638^2 .

It is a cyclic number.

It is not a de Polignac number, because 2008136773 - 2¹³ = 2008128581 is a prime.

It is a super-2 number, since 2×2008136773² = 8065226598149707058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2008136873) 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, 676486 + ... + 679447.

It is an arithmetic number, because the mean of its divisors is an integer number (502373547).

Almost surely, 2^2008136773 is an apocalyptic number.

It is an amenable number.

2008136773 is a deficient number, since it is larger than the sum of its proper divisors (1357415).

2008136773 is a wasteful number, since it uses less digits than its factorization.

2008136773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357414.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 2008136773 is about 44812.2390982642. The cubic root of 2008136773 is about 1261.6273532789.

The spelling of 2008136773 in words is "two billion, eight million, one hundred thirty-six thousand, seven hundred seventy-three".