671150238851 has 2 divisors, whose sum is σ = 671150238852. Its totient is φ = 671150238850.

The previous prime is 671150238833. The next prime is 671150238853. The reversal of 671150238851 is 158832051176.

671150238851 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 671150238851 - 2²⁶ = 671083129987 is a prime.

It is a Sophie Germain prime.

Together with 671150238853, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 671150238796 and 671150238805.

It is not a weakly prime, because it can be changed into another prime (671150238853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335575119425 + 335575119426.

It is an arithmetic number, because the mean of its divisors is an integer number (335575119426).

Almost surely, 2^671150238851 is an apocalyptic number.

671150238851 is a deficient number, since it is larger than the sum of its proper divisors (1).

671150238851 is an equidigital number, since it uses as much as digits as its factorization.

671150238851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 403200, while the sum is 47.

The spelling of 671150238851 in words is "six hundred seventy-one billion, one hundred fifty million, two hundred thirty-eight thousand, eight hundred fifty-one".