2104340155 has 32 divisors (see below), whose sum is σ = 2825098560. Its totient is φ = 1495388160.

The previous prime is 2104340153. The next prime is 2104340159. The reversal of 2104340155 is 5510434012.

It is a happy number.

It is not a de Polignac number, because 2104340155 - 2¹ = 2104340153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2104340153) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 451497 + ... + 456133.

It is an arithmetic number, because the mean of its divisors is an integer number (88284330).

Almost surely, 2^2104340155 is an apocalyptic number.

2104340155 is a deficient number, since it is larger than the sum of its proper divisors (720758405).

2104340155 is a wasteful number, since it uses less digits than its factorization.

2104340155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4959.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2104340155 is about 45873.0874805697. The cubic root of 2104340155 is about 1281.4607661836.

Adding to 2104340155 its reverse (5510434012), we get a palindrome (7614774167).

The spelling of 2104340155 in words is "two billion, one hundred four million, three hundred forty thousand, one hundred fifty-five".