4339623989 has 2 divisors, whose sum is σ = 4339623990. Its totient is φ = 4339623988.

The previous prime is 4339623973. The next prime is 4339624007. The reversal of 4339623989 is 9893269334.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4327666225 + 11957764 = 65785^2 + 3458^2 .

It is a cyclic number.

It is not a de Polignac number, because 4339623989 - 2⁴ = 4339623973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4339623929) 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, 2169811994 + 2169811995.

It is an arithmetic number, because the mean of its divisors is an integer number (2169811995).

Almost surely, 2^4339623989 is an apocalyptic number.

It is an amenable number.

4339623989 is a deficient number, since it is larger than the sum of its proper divisors (1).

4339623989 is an equidigital number, since it uses as much as digits as its factorization.

4339623989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7558272, while the sum is 56.

The square root of 4339623989 is about 65875.8224920190. The cubic root of 4339623989 is about 1631.1129424852.

The spelling of 4339623989 in words is "four billion, three hundred thirty-nine million, six hundred twenty-three thousand, nine hundred eighty-nine".