2781606030 has 48 divisors (see below), whose sum is σ = 7765794000. Its totient is φ = 635795328.

The previous prime is 2781606019. The next prime is 2781606043. The reversal of 2781606030 is 306061872.

It is a super-2 number, since 2×2781606030² = 15474664212264721800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2781605982 and 2781606000.

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 23 ways as a sum of consecutive naturals, for example, 944655 + ... + 947594.

It is an arithmetic number, because the mean of its divisors is an integer number (161787375).

Almost surely, 2^2781606030 is an apocalyptic number.

2781606030 is an abundant number, since it is smaller than the sum of its proper divisors (4984187970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2781606030 is a wasteful number, since it uses less digits than its factorization.

2781606030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1892273 (or 1892266 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 2781606030 is about 52740.9331544295. The cubic root of 2781606030 is about 1406.3665869957.

The spelling of 2781606030 in words is "two billion, seven hundred eighty-one million, six hundred six thousand, thirty".