2104158899 has 2 divisors, whose sum is σ = 2104158900. Its totient is φ = 2104158898.

The previous prime is 2104158893. The next prime is 2104158929. The reversal of 2104158899 is 9988514012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2104158899 - 2¹² = 2104154803 is a prime.

It is not a weakly prime, because it can be changed into another prime (2104158893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052079449 + 1052079450.

It is an arithmetic number, because the mean of its divisors is an integer number (1052079450).

Almost surely, 2^2104158899 is an apocalyptic number.

2104158899 is a deficient number, since it is larger than the sum of its proper divisors (1).

2104158899 is an equidigital number, since it uses as much as digits as its factorization.

2104158899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 47.

The square root of 2104158899 is about 45871.1118134278. Note that the first 3 decimals coincide. The cubic root of 2104158899 is about 1281.4239725247.

The spelling of 2104158899 in words is "two billion, one hundred four million, one hundred fifty-eight thousand, eight hundred ninety-nine".