2108738241 has 9 divisors (see below), whose sum is σ = 3046154241. Its totient is φ = 1405733652.

The previous prime is 2108738239. The next prime is 2108738251. The reversal of 2108738241 is 1428378012.

The square root of 2108738241 is 45921.

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

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 2108738241 - 2¹ = 2108738239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2108738196 and 2108738205.

It is not an unprimeable number, because it can be changed into a prime (2108738201) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 130110 + ... + 145416.

Almost surely, 2^2108738241 is an apocalyptic number.

2108738241 is the 45921-st square number.

2108738241 is the 22961-st centered octagonal number.

It is an amenable number.

2108738241 is a deficient number, since it is larger than the sum of its proper divisors (937416000).

2108738241 is an frugal number, since it uses more digits than its factorization.

2108738241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30620 (or 15310 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The cubic root of 2108738241 is about 1282.3528990113.

Multiplying 2108738241 by its sum of digits (36), we get a square (75914576676 = 275526²).

The spelling of 2108738241 in words is "two billion, one hundred eight million, seven hundred thirty-eight thousand, two hundred forty-one".