4242983471989 has 2 divisors, whose sum is σ = 4242983471990. Its totient is φ = 4242983471988.

The previous prime is 4242983471983. The next prime is 4242983472109. The reversal of 4242983471989 is 9891743892424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3051862253764 + 1191121218225 = 1746958^2 + 1091385^2 .

It is a cyclic number.

It is not a de Polignac number, because 4242983471989 - 2¹⁹ = 4242982947701 is a prime.

It is a super-2 number, since 2×4242983471989² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4242983471983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2121491735994 + 2121491735995.

It is an arithmetic number, because the mean of its divisors is an integer number (2121491735995).

Almost surely, 2^{4242983471989} is an apocalyptic number.

It is an amenable number.

4242983471989 is a deficient number, since it is larger than the sum of its proper divisors (1).

4242983471989 is an equidigital number, since it uses as much as digits as its factorization.

4242983471989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 250822656, while the sum is 70.

The spelling of 4242983471989 in words is "four trillion, two hundred forty-two billion, nine hundred eighty-three million, four hundred seventy-one thousand, nine hundred eighty-nine".