2981059909 has 2 divisors, whose sum is σ = 2981059910. Its totient is φ = 2981059908.

The previous prime is 2981059903. The next prime is 2981059927. The reversal of 2981059909 is 9099501892.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1975535809 + 1005524100 = 44447^2 + 31710^2 .

It is a cyclic number.

It is not a de Polignac number, because 2981059909 - 2²³ = 2972671301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2981059903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1490529954 + 1490529955.

It is an arithmetic number, because the mean of its divisors is an integer number (1490529955).

Almost surely, 2^2981059909 is an apocalyptic number.

It is an amenable number.

2981059909 is a deficient number, since it is larger than the sum of its proper divisors (1).

2981059909 is an equidigital number, since it uses as much as digits as its factorization.

2981059909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 524880, while the sum is 52.

The square root of 2981059909 is about 54599.0834080573. The cubic root of 2981059909 is about 1439.2080117986.

The spelling of 2981059909 in words is "two billion, nine hundred eighty-one million, fifty-nine thousand, nine hundred nine".