4140442143989 has 2 divisors, whose sum is σ = 4140442143990. Its totient is φ = 4140442143988.

The previous prime is 4140442143919. The next prime is 4140442144031. The reversal of 4140442143989 is 9893412440414.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2953087587025 + 1187354556964 = 1718455^2 + 1089658^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4140442143989 is a prime.

It is a super-2 number, since 2×4140442143989² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4140442143989.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4140442143919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2070221071994 + 2070221071995.

It is an arithmetic number, because the mean of its divisors is an integer number (2070221071995).

Almost surely, 2^{4140442143989} is an apocalyptic number.

It is an amenable number.

4140442143989 is a deficient number, since it is larger than the sum of its proper divisors (1).

4140442143989 is an equidigital number, since it uses as much as digits as its factorization.

4140442143989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3981312, while the sum is 53.

The spelling of 4140442143989 in words is "four trillion, one hundred forty billion, four hundred forty-two million, one hundred forty-three thousand, nine hundred eighty-nine".