918141639227 has 2 divisors, whose sum is σ = 918141639228. Its totient is φ = 918141639226.

The previous prime is 918141639203. The next prime is 918141639269. The reversal of 918141639227 is 722936141819.

918141639227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-918141639227 is a prime.

It is not a weakly prime, because it can be changed into another prime (918141639827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 459070819613 + 459070819614.

It is an arithmetic number, because the mean of its divisors is an integer number (459070819614).

Almost surely, 2^918141639227 is an apocalyptic number.

918141639227 is a deficient number, since it is larger than the sum of its proper divisors (1).

918141639227 is an equidigital number, since it uses as much as digits as its factorization.

918141639227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 53.

The spelling of 918141639227 in words is "nine hundred eighteen billion, one hundred forty-one million, six hundred thirty-nine thousand, two hundred twenty-seven".