2443461989 has 2 divisors, whose sum is σ = 2443461990. Its totient is φ = 2443461988.

The previous prime is 2443461967. The next prime is 2443462027. The reversal of 2443461989 is 9891643442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2310244225 + 133217764 = 48065^2 + 11542^2 .

It is a cyclic number.

It is not a de Polignac number, because 2443461989 - 2⁸ = 2443461733 is a prime.

It is a super-2 number, since 2×2443461989² = 11941012983375672242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2443461929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1221730994 + 1221730995.

It is an arithmetic number, because the mean of its divisors is an integer number (1221730995).

Almost surely, 2^2443461989 is an apocalyptic number.

It is an amenable number.

2443461989 is a deficient number, since it is larger than the sum of its proper divisors (1).

2443461989 is an equidigital number, since it uses as much as digits as its factorization.

2443461989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1492992, while the sum is 50.

The square root of 2443461989 is about 49431.3866789108. The cubic root of 2443461989 is about 1346.8995127700.

The spelling of 2443461989 in words is "two billion, four hundred forty-three million, four hundred sixty-one thousand, nine hundred eighty-nine".