671140334019 has 16 divisors (see below), whose sum is σ = 903673435392. Its totient is φ = 443018328288.

The previous prime is 671140334003. The next prime is 671140334233. The reversal of 671140334019 is 910433041176.

It is a happy number.

It is not a de Polignac number, because 671140334019 - 2⁴ = 671140334003 is a prime.

It is a super-2 number, since 2×671140334019² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (671140334419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2012164 + ... + 2321870.

It is an arithmetic number, because the mean of its divisors is an integer number (56479589712).

Almost surely, 2^671140334019 is an apocalyptic number.

671140334019 is a deficient number, since it is larger than the sum of its proper divisors (232533101373).

671140334019 is a wasteful number, since it uses less digits than its factorization.

671140334019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316826.

The product of its (nonzero) digits is 54432, while the sum is 39.

The spelling of 671140334019 in words is "six hundred seventy-one billion, one hundred forty million, three hundred thirty-four thousand, nineteen".