671043742016763 has 16 divisors (see below), whose sum is σ = 895029075230976. Its totient is φ = 447210456251040.

The previous prime is 671043742016743. The next prime is 671043742016777. The reversal of 671043742016763 is 367610247340176.

It is not a de Polignac number, because 671043742016763 - 2¹⁷ = 671043741885691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (671043742016743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 634980081 + ... + 636035997.

It is an arithmetic number, because the mean of its divisors is an integer number (55939317201936).

Almost surely, 2^{671043742016763} is an apocalyptic number.

671043742016763 is a deficient number, since it is larger than the sum of its proper divisors (223985333214213).

671043742016763 is a wasteful number, since it uses less digits than its factorization.

671043742016763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127714.

The product of its (nonzero) digits is 21337344, while the sum is 57.

The spelling of 671043742016763 in words is "six hundred seventy-one trillion, forty-three billion, seven hundred forty-two million, sixteen thousand, seven hundred sixty-three".