143709438463 has 2 divisors, whose sum is σ = 143709438464. Its totient is φ = 143709438462.

The previous prime is 143709438451. The next prime is 143709438479. The reversal of 143709438463 is 364834907341.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143709438463 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 143709438463.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143709438493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71854719231 + 71854719232.

It is an arithmetic number, because the mean of its divisors is an integer number (71854719232).

Almost surely, 2^143709438463 is an apocalyptic number.

143709438463 is a deficient number, since it is larger than the sum of its proper divisors (1).

143709438463 is an equidigital number, since it uses as much as digits as its factorization.

143709438463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5225472, while the sum is 52.

The spelling of 143709438463 in words is "one hundred forty-three billion, seven hundred nine million, four hundred thirty-eight thousand, four hundred sixty-three".