4100042108989 has 2 divisors, whose sum is σ = 4100042108990. Its totient is φ = 4100042108988.

The previous prime is 4100042108909. The next prime is 4100042109029. The reversal of 4100042108989 is 9898012400014.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4014753579225 + 85288529764 = 2003685^2 + 292042^2 .

It is a cyclic number.

It is not a de Polignac number, because 4100042108989 - 2¹⁷ = 4100041977917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4100042108909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2050021054494 + 2050021054495.

It is an arithmetic number, because the mean of its divisors is an integer number (2050021054495).

Almost surely, 2^{4100042108989} is an apocalyptic number.

It is an amenable number.

4100042108989 is a deficient number, since it is larger than the sum of its proper divisors (1).

4100042108989 is an equidigital number, since it uses as much as digits as its factorization.

4100042108989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 46.

The spelling of 4100042108989 in words is "four trillion, one hundred billion, forty-two million, one hundred eight thousand, nine hundred eighty-nine".