2281405913 has 2 divisors, whose sum is σ = 2281405914. Its totient is φ = 2281405912.

The previous prime is 2281405883. The next prime is 2281405921. The reversal of 2281405913 is 3195041822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1413985609 + 867420304 = 37603^2 + 29452^2 .

It is a cyclic number.

It is not a de Polignac number, because 2281405913 - 2¹⁴ = 2281389529 is a prime.

It is not a weakly prime, because it can be changed into another prime (2281405613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1140702956 + 1140702957.

It is an arithmetic number, because the mean of its divisors is an integer number (1140702957).

Almost surely, 2^2281405913 is an apocalyptic number.

It is an amenable number.

2281405913 is a deficient number, since it is larger than the sum of its proper divisors (1).

2281405913 is an equidigital number, since it uses as much as digits as its factorization.

2281405913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 2281405913 is about 47764.0650803509. The cubic root of 2281405913 is about 1316.4393465452.

The spelling of 2281405913 in words is "two billion, two hundred eighty-one million, four hundred five thousand, nine hundred thirteen".