2238384031129 has 9 divisors (see below), whose sum is σ = 2242933984767. Its totient is φ = 2233843297824.

The previous prime is 2238384031099. The next prime is 2238384031141. The reversal of 2238384031129 is 9211304838322.

The square root of 2238384031129 is 1496123.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 2179505979225 + 58878051904 = 1476315^2 + 242648^2 .

It is not a de Polignac number, because 2238384031129 - 2⁴¹ = 39360775577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2238384031199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 926098929 + ... + 926101345.

Almost surely, 2^{2238384031129} is an apocalyptic number.

2238384031129 is the 1496123-rd square number.

2238384031129 is the 748062-nd centered octagonal number.

It is an amenable number.

2238384031129 is a deficient number, since it is larger than the sum of its proper divisors (4549953638).

2238384031129 is an frugal number, since it uses more digits than its factorization.

2238384031129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6072 (or 3036 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 46.

The spelling of 2238384031129 in words is "two trillion, two hundred thirty-eight billion, three hundred eighty-four million, thirty-one thousand, one hundred twenty-nine".