2985445847 has 2 divisors, whose sum is σ = 2985445848. Its totient is φ = 2985445846.

The previous prime is 2985445829. The next prime is 2985445907. The reversal of 2985445847 is 7485445892.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2985445847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2985445792 and 2985445801.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2985448847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1492722923 + 1492722924.

It is an arithmetic number, because the mean of its divisors is an integer number (1492722924).

Almost surely, 2^2985445847 is an apocalyptic number.

2985445847 is a deficient number, since it is larger than the sum of its proper divisors (1).

2985445847 is an equidigital number, since it uses as much as digits as its factorization.

2985445847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12902400, while the sum is 56.

The square root of 2985445847 is about 54639.2335872311. The cubic root of 2985445847 is about 1439.9134861540.

The spelling of 2985445847 in words is "two billion, nine hundred eighty-five million, four hundred forty-five thousand, eight hundred forty-seven".