2355138841 has 4 divisors (see below), whose sum is σ = 2569242384. Its totient is φ = 2141035300.

The previous prime is 2355138833. The next prime is 2355138869. The reversal of 2355138841 is 1488315532.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2355138841 - 2³ = 2355138833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2355138794 and 2355138803.

It is not an unprimeable number, because it can be changed into a prime (2355138811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107051755 + ... + 107051776.

It is an arithmetic number, because the mean of its divisors is an integer number (642310596).

Almost surely, 2^2355138841 is an apocalyptic number.

It is an amenable number.

2355138841 is a deficient number, since it is larger than the sum of its proper divisors (214103543).

2355138841 is a wasteful number, since it uses less digits than its factorization.

2355138841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214103542.

The product of its digits is 115200, while the sum is 40.

The square root of 2355138841 is about 48529.7727276772. The cubic root of 2355138841 is about 1330.4712824708.

The spelling of 2355138841 in words is "two billion, three hundred fifty-five million, one hundred thirty-eight thousand, eight hundred forty-one".