2391084229 has 2 divisors, whose sum is σ = 2391084230. Its totient is φ = 2391084228.

The previous prime is 2391084149. The next prime is 2391084259. The reversal of 2391084229 is 9224801932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2375100225 + 15984004 = 48735^2 + 3998^2 .

It is a cyclic number.

It is not a de Polignac number, because 2391084229 - 2²³ = 2382695621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2391084191 and 2391084200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2391084259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1195542114 + 1195542115.

It is an arithmetic number, because the mean of its divisors is an integer number (1195542115).

Almost surely, 2^2391084229 is an apocalyptic number.

It is an amenable number.

2391084229 is a deficient number, since it is larger than the sum of its proper divisors (1).

2391084229 is an equidigital number, since it uses as much as digits as its factorization.

2391084229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 2391084229 is about 48898.7139810445. The cubic root of 2391084229 is about 1337.2059232226.

The spelling of 2391084229 in words is "two billion, three hundred ninety-one million, eighty-four thousand, two hundred twenty-nine".