2802381811 has 2 divisors, whose sum is σ = 2802381812. Its totient is φ = 2802381810.

The previous prime is 2802381797. The next prime is 2802381851. The reversal of 2802381811 is 1181832082.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2802381811 - 2¹¹ = 2802379763 is a prime.

It is not a weakly prime, because it can be changed into another prime (2802381851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1401190905 + 1401190906.

It is an arithmetic number, because the mean of its divisors is an integer number (1401190906).

Almost surely, 2^2802381811 is an apocalyptic number.

2802381811 is a deficient number, since it is larger than the sum of its proper divisors (1).

2802381811 is an equidigital number, since it uses as much as digits as its factorization.

2802381811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6144, while the sum is 34.

The square root of 2802381811 is about 52937.5274356481. The cubic root of 2802381811 is about 1409.8592839469.

The spelling of 2802381811 in words is "two billion, eight hundred two million, three hundred eighty-one thousand, eight hundred eleven".