143804989439 has 2 divisors, whose sum is σ = 143804989440. Its totient is φ = 143804989438.

The previous prime is 143804989399. The next prime is 143804989457. The reversal of 143804989439 is 934989408341.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143804989439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143804989739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71902494719 + 71902494720.

It is an arithmetic number, because the mean of its divisors is an integer number (71902494720).

Almost surely, 2^143804989439 is an apocalyptic number.

143804989439 is a deficient number, since it is larger than the sum of its proper divisors (1).

143804989439 is an equidigital number, since it uses as much as digits as its factorization.

143804989439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26873856, while the sum is 62.

The spelling of 143804989439 in words is "one hundred forty-three billion, eight hundred four million, nine hundred eighty-nine thousand, four hundred thirty-nine".