2981640364 has 24 divisors (see below), whose sum is σ = 5237789760. Its totient is φ = 1485141504.

The previous prime is 2981640359. The next prime is 2981640383. The reversal of 2981640364 is 4630461892.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2981640364.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1719642 + ... + 1721374.

It is an arithmetic number, because the mean of its divisors is an integer number (218241240).

Almost surely, 2^2981640364 is an apocalyptic number.

It is an amenable number.

2981640364 is a deficient number, since it is larger than the sum of its proper divisors (2256149396).

2981640364 is a wasteful number, since it uses less digits than its factorization.

2981640364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3129 (or 3127 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 43.

The square root of 2981640364 is about 54604.3987605394. The cubic root of 2981640364 is about 1439.3014171977.

The spelling of 2981640364 in words is "two billion, nine hundred eighty-one million, six hundred forty thousand, three hundred sixty-four".