2045803316 has 6 divisors (see below), whose sum is σ = 3580155810. Its totient is φ = 1022901656.

The previous prime is 2045803271. The next prime is 2045803349. The reversal of 2045803316 is 6133085402.

It can be written as a sum of positive squares in only one way, i.e., 1918790416 + 127012900 = 43804^2 + 11270^2 .

It is a super-2 number, since 2×2045803316² = 8370622415513191712, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255725411 + ... + 255725418.

It is an arithmetic number, because the mean of its divisors is an integer number (596692635).

Almost surely, 2^2045803316 is an apocalyptic number.

It is an amenable number.

2045803316 is a deficient number, since it is larger than the sum of its proper divisors (1534352494).

2045803316 is a wasteful number, since it uses less digits than its factorization.

2045803316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511450833 (or 511450831 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 2045803316 is about 45230.5573257726. The cubic root of 2045803316 is about 1269.4666402776.

Adding to 2045803316 its reverse (6133085402), we get a palindrome (8178888718).

The spelling of 2045803316 in words is "two billion, forty-five million, eight hundred three thousand, three hundred sixteen".