2141409989 has 2 divisors, whose sum is σ = 2141409990. Its totient is φ = 2141409988.

The previous prime is 2141409943. The next prime is 2141410013. The reversal of 2141409989 is 9899041412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2119037089 + 22372900 = 46033^2 + 4730^2 .

It is a cyclic number.

It is not a de Polignac number, because 2141409989 - 2¹⁶ = 2141344453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2141409929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070704994 + 1070704995.

It is an arithmetic number, because the mean of its divisors is an integer number (1070704995).

Almost surely, 2^2141409989 is an apocalyptic number.

It is an amenable number.

2141409989 is a deficient number, since it is larger than the sum of its proper divisors (1).

2141409989 is an equidigital number, since it uses as much as digits as its factorization.

2141409989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 47.

The square root of 2141409989 is about 46275.3713005093. The cubic root of 2141409989 is about 1288.9417013803.

The spelling of 2141409989 in words is "two billion, one hundred forty-one million, four hundred nine thousand, nine hundred eighty-nine".