2104344551 has 2 divisors, whose sum is σ = 2104344552. Its totient is φ = 2104344550.

The previous prime is 2104344547. The next prime is 2104344559. The reversal of 2104344551 is 1554434012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2104344551 - 2² = 2104344547 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2104344559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052172275 + 1052172276.

It is an arithmetic number, because the mean of its divisors is an integer number (1052172276).

Almost surely, 2^2104344551 is an apocalyptic number.

2104344551 is a deficient number, since it is larger than the sum of its proper divisors (1).

2104344551 is an equidigital number, since it uses as much as digits as its factorization.

2104344551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 2104344551 is about 45873.1353953488. The cubic root of 2104344551 is about 1281.4616585136.

Adding to 2104344551 its reverse (1554434012), we get a palindrome (3658778563).

The spelling of 2104344551 in words is "two billion, one hundred four million, three hundred forty-four thousand, five hundred fifty-one".