67143375405503 has 2 divisors, whose sum is σ = 67143375405504. Its totient is φ = 67143375405502.

The previous prime is 67143375405437. The next prime is 67143375405511. The reversal of 67143375405503 is 30550457334176.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67143375405503 - 2¹² = 67143375401407 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67143375405593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33571687702751 + 33571687702752.

It is an arithmetic number, because the mean of its divisors is an integer number (33571687702752).

Almost surely, 2^{67143375405503} is an apocalyptic number.

67143375405503 is a deficient number, since it is larger than the sum of its proper divisors (1).

67143375405503 is an equidigital number, since it uses as much as digits as its factorization.

67143375405503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15876000, while the sum is 53.

The spelling of 67143375405503 in words is "sixty-seven trillion, one hundred forty-three billion, three hundred seventy-five million, four hundred five thousand, five hundred three".