2104200451 has 2 divisors, whose sum is σ = 2104200452. Its totient is φ = 2104200450.

The previous prime is 2104200433. The next prime is 2104200457. The reversal of 2104200451 is 1540024012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2104200451 - 2²⁷ = 1969982723 is a prime.

It is not a weakly prime, because it can be changed into another prime (2104200457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052100225 + 1052100226.

It is an arithmetic number, because the mean of its divisors is an integer number (1052100226).

Almost surely, 2^2104200451 is an apocalyptic number.

2104200451 is a deficient number, since it is larger than the sum of its proper divisors (1).

2104200451 is an equidigital number, since it uses as much as digits as its factorization.

2104200451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 2104200451 is about 45871.5647324135. The cubic root of 2104200451 is about 1281.4324074672.

Adding to 2104200451 its reverse (1540024012), we get a palindrome (3644224463).

The spelling of 2104200451 in words is "two billion, one hundred four million, two hundred thousand, four hundred fifty-one".