389139038143 has 2 divisors, whose sum is σ = 389139038144. Its totient is φ = 389139038142.

The previous prime is 389139038131. The next prime is 389139038149. The reversal of 389139038143 is 341830931983.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-389139038143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (389139038149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194569519071 + 194569519072.

It is an arithmetic number, because the mean of its divisors is an integer number (194569519072).

Almost surely, 2^389139038143 is an apocalyptic number.

389139038143 is a deficient number, since it is larger than the sum of its proper divisors (1).

389139038143 is an equidigital number, since it uses as much as digits as its factorization.

389139038143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1679616, while the sum is 52.

The spelling of 389139038143 in words is "three hundred eighty-nine billion, one hundred thirty-nine million, thirty-eight thousand, one hundred forty-three".