2238153109 has 2 divisors, whose sum is σ = 2238153110. Its totient is φ = 2238153108.

The previous prime is 2238153101. The next prime is 2238153121. The reversal of 2238153109 is 9013518322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1712138884 + 526014225 = 41378^2 + 22935^2 .

It is a cyclic number.

It is not a de Polignac number, because 2238153109 - 2³ = 2238153101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2238153101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1119076554 + 1119076555.

It is an arithmetic number, because the mean of its divisors is an integer number (1119076555).

Almost surely, 2^2238153109 is an apocalyptic number.

It is an amenable number.

2238153109 is a deficient number, since it is larger than the sum of its proper divisors (1).

2238153109 is an equidigital number, since it uses as much as digits as its factorization.

2238153109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 2238153109 is about 47309.1228940043. The cubic root of 2238153109 is about 1308.0668238343.

The spelling of 2238153109 in words is "two billion, two hundred thirty-eight million, one hundred fifty-three thousand, one hundred nine".