851725418147 has 2 divisors, whose sum is σ = 851725418148. Its totient is φ = 851725418146.

The previous prime is 851725418143. The next prime is 851725418237. The reversal of 851725418147 is 741814527158.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 851725418147 - 2² = 851725418143 is a prime.

It is not a weakly prime, because it can be changed into another prime (851725418143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425862709073 + 425862709074.

It is an arithmetic number, because the mean of its divisors is an integer number (425862709074).

Almost surely, 2^851725418147 is an apocalyptic number.

851725418147 is a deficient number, since it is larger than the sum of its proper divisors (1).

851725418147 is an equidigital number, since it uses as much as digits as its factorization.

851725418147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2508800, while the sum is 53.

The spelling of 851725418147 in words is "eight hundred fifty-one billion, seven hundred twenty-five million, four hundred eighteen thousand, one hundred forty-seven".