2981640359 has 2 divisors, whose sum is σ = 2981640360. Its totient is φ = 2981640358.

The previous prime is 2981640349. The next prime is 2981640383. The reversal of 2981640359 is 9530461892.

2981640359 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2981640359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2981640349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1490820179 + 1490820180.

It is an arithmetic number, because the mean of its divisors is an integer number (1490820180).

Almost surely, 2^2981640359 is an apocalyptic number.

2981640359 is a deficient number, since it is larger than the sum of its proper divisors (1).

2981640359 is an equidigital number, since it uses as much as digits as its factorization.

2981640359 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 2981640359 is about 54604.3987147556. The cubic root of 2981640359 is about 1439.3014163932.

The spelling of 2981640359 in words is "two billion, nine hundred eighty-one million, six hundred forty thousand, three hundred fifty-nine".