2338529661 has 12 divisors (see below), whose sum is σ = 3637712988. Its totient is φ = 1439095104.

The previous prime is 2338529651. The next prime is 2338529663. The reversal of 2338529661 is 1669258332.

2338529661 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 168740100 + 2169789561 = 12990^2 + 46581^2 .

It is not a de Polignac number, because 2338529661 - 2⁵ = 2338529629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2338529663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9993600 + ... + 9993833.

It is an arithmetic number, because the mean of its divisors is an integer number (303142749).

Almost surely, 2^2338529661 is an apocalyptic number.

It is an amenable number.

2338529661 is a deficient number, since it is larger than the sum of its proper divisors (1299183327).

2338529661 is a wasteful number, since it uses less digits than its factorization.

2338529661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19987452 (or 19987449 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 2338529661 is about 48358.3463426946. The cubic root of 2338529661 is about 1327.3362671650.

The spelling of 2338529661 in words is "two billion, three hundred thirty-eight million, five hundred twenty-nine thousand, six hundred sixty-one".