66465453143 has 2 divisors, whose sum is σ = 66465453144. Its totient is φ = 66465453142.

The previous prime is 66465453049. The next prime is 66465453209. The reversal of 66465453143 is 34135456466.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66465453143 - 2³² = 62170485847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66465453343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33232726571 + 33232726572.

It is an arithmetic number, because the mean of its divisors is an integer number (33232726572).

Almost surely, 2^66465453143 is an apocalyptic number.

66465453143 is a deficient number, since it is larger than the sum of its proper divisors (1).

66465453143 is an equidigital number, since it uses as much as digits as its factorization.

66465453143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3110400, while the sum is 47.

The spelling of 66465453143 in words is "sixty-six billion, four hundred sixty-five million, four hundred fifty-three thousand, one hundred forty-three".