846389945147 has 2 divisors, whose sum is σ = 846389945148. Its totient is φ = 846389945146.

The previous prime is 846389944979. The next prime is 846389945173. The reversal of 846389945147 is 741549983648.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 846389945147 - 2¹⁴ = 846389928763 is a prime.

It is not a weakly prime, because it can be changed into another prime (846389945347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 423194972573 + 423194972574.

It is an arithmetic number, because the mean of its divisors is an integer number (423194972574).

Almost surely, 2^846389945147 is an apocalyptic number.

846389945147 is a deficient number, since it is larger than the sum of its proper divisors (1).

846389945147 is an equidigital number, since it uses as much as digits as its factorization.

846389945147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 209018880, while the sum is 68.

The spelling of 846389945147 in words is "eight hundred forty-six billion, three hundred eighty-nine million, nine hundred forty-five thousand, one hundred forty-seven".