2845531636 has 6 divisors (see below), whose sum is σ = 4979680370. Its totient is φ = 1422765816.

The previous prime is 2845531613. The next prime is 2845531639. The reversal of 2845531636 is 6361355482.

It can be written as a sum of positive squares in only one way, i.e., 2745131236 + 100400400 = 52394^2 + 10020^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2845531592 and 2845531601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2845531639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 355691451 + ... + 355691458.

Almost surely, 2^2845531636 is an apocalyptic number.

It is an amenable number.

2845531636 is a deficient number, since it is larger than the sum of its proper divisors (2134148734).

2845531636 is a wasteful number, since it uses less digits than its factorization.

2845531636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711382913 (or 711382911 counting only the distinct ones).

The product of its digits is 518400, while the sum is 43.

The square root of 2845531636 is about 53343.5247804267. The cubic root of 2845531636 is about 1417.0585869718.

The spelling of 2845531636 in words is "two billion, eight hundred forty-five million, five hundred thirty-one thousand, six hundred thirty-six".