2081549363 has 2 divisors, whose sum is σ = 2081549364. Its totient is φ = 2081549362.

The previous prime is 2081549359. The next prime is 2081549453. The reversal of 2081549363 is 3639451802.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2081549363 - 2² = 2081549359 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2081549363.

It is not a weakly prime, because it can be changed into another prime (2081549333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1040774681 + 1040774682.

It is an arithmetic number, because the mean of its divisors is an integer number (1040774682).

Almost surely, 2^2081549363 is an apocalyptic number.

2081549363 is a deficient number, since it is larger than the sum of its proper divisors (1).

2081549363 is an equidigital number, since it uses as much as digits as its factorization.

2081549363 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 2081549363 is about 45623.9998575311. Note that the first 3 decimals coincide. The cubic root of 2081549363 is about 1276.8177303385.

The spelling of 2081549363 in words is "two billion, eighty-one million, five hundred forty-nine thousand, three hundred sixty-three".