2048931161 has 2 divisors, whose sum is σ = 2048931162. Its totient is φ = 2048931160.

The previous prime is 2048931151. The next prime is 2048931167. The reversal of 2048931161 is 1611398402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1987465561 + 61465600 = 44581^2 + 7840^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2048931161 is a prime.

It is not a weakly prime, because it can be changed into another prime (2048931167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1024465580 + 1024465581.

It is an arithmetic number, because the mean of its divisors is an integer number (1024465581).

Almost surely, 2^2048931161 is an apocalyptic number.

It is an amenable number.

2048931161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2048931161 is an equidigital number, since it uses as much as digits as its factorization.

2048931161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 2048931161 is about 45265.1207995737. The cubic root of 2048931161 is about 1270.1132767293.

The spelling of 2048931161 in words is "two billion, forty-eight million, nine hundred thirty-one thousand, one hundred sixty-one".