671343126433 has 16 divisors (see below), whose sum is σ = 774024607360. Its totient is φ = 570373405056.

The previous prime is 671343126427. The next prime is 671343126463. The reversal of 671343126433 is 334621343176.

671343126433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 671343126433 - 2¹³ = 671343118241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 671343126433.

It is not an unprimeable number, because it can be changed into a prime (671343126463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 297291 + ... + 1196272.

It is an arithmetic number, because the mean of its divisors is an integer number (48376537960).

Almost surely, 2^671343126433 is an apocalyptic number.

It is an amenable number.

671343126433 is a deficient number, since it is larger than the sum of its proper divisors (102681480927).

671343126433 is a wasteful number, since it uses less digits than its factorization.

671343126433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1494136.

The product of its digits is 653184, while the sum is 43.

The spelling of 671343126433 in words is "six hundred seventy-one billion, three hundred forty-three million, one hundred twenty-six thousand, four hundred thirty-three".