143640402405463 has 2 divisors, whose sum is σ = 143640402405464. Its totient is φ = 143640402405462.

The previous prime is 143640402405407. The next prime is 143640402405469. The reversal of 143640402405463 is 364504204046341.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 143640402405463 - 2²¹ = 143640400308311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143640402405469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71820201202731 + 71820201202732.

It is an arithmetic number, because the mean of its divisors is an integer number (71820201202732).

Almost surely, 2^{143640402405463} is an apocalyptic number.

143640402405463 is a deficient number, since it is larger than the sum of its proper divisors (1).

143640402405463 is an equidigital number, since it uses as much as digits as its factorization.

143640402405463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3317760, while the sum is 46.

The spelling of 143640402405463 in words is "one hundred forty-three trillion, six hundred forty billion, four hundred two million, four hundred five thousand, four hundred sixty-three".