671126383 has 2 divisors, whose sum is σ = 671126384. Its totient is φ = 671126382.

The previous prime is 671126353. The next prime is 671126389. The reversal of 671126383 is 383621176.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-671126383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (671126389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335563191 + 335563192.

It is an arithmetic number, because the mean of its divisors is an integer number (335563192).

Almost surely, 2^671126383 is an apocalyptic number.

671126383 is a deficient number, since it is larger than the sum of its proper divisors (1).

671126383 is an equidigital number, since it uses as much as digits as its factorization.

671126383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 37.

The square root of 671126383 is about 25906.1070599193. The cubic root of 671126383 is about 875.5240976655.

The spelling of 671126383 in words is "six hundred seventy-one million, one hundred twenty-six thousand, three hundred eighty-three".