2085315556 has 6 divisors (see below), whose sum is σ = 3649302230. Its totient is φ = 1042657776.

The previous prime is 2085315553. The next prime is 2085315563. The reversal of 2085315556 is 6555135802.

It can be written as a sum of positive squares in only one way, i.e., 1162128100 + 923187456 = 34090^2 + 30384^2 .

It is not an unprimeable number, because it can be changed into a prime (2085315553) by changing a digit.

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 as a sum of consecutive naturals, namely, 260664441 + ... + 260664448.

Almost surely, 2^2085315556 is an apocalyptic number.

It is an amenable number.

2085315556 is a deficient number, since it is larger than the sum of its proper divisors (1563986674).

2085315556 is a wasteful number, since it uses less digits than its factorization.

2085315556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521328893 (or 521328891 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 40.

The square root of 2085315556 is about 45665.2554575139. The cubic root of 2085315556 is about 1277.5873245020.

The spelling of 2085315556 in words is "two billion, eighty-five million, three hundred fifteen thousand, five hundred fifty-six".