2104120069 has 2 divisors, whose sum is σ = 2104120070. Its totient is φ = 2104120068.

The previous prime is 2104120001. The next prime is 2104120079. The reversal of 2104120069 is 9600214012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1733056900 + 371063169 = 41630^2 + 19263^2 .

It is a cyclic number.

It is not a de Polignac number, because 2104120069 - 2²⁹ = 1567249157 is a prime.

It is a super-2 number, since 2×2104120069² = 8854642529537129522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2104120079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052060034 + 1052060035.

It is an arithmetic number, because the mean of its divisors is an integer number (1052060035).

Almost surely, 2^2104120069 is an apocalyptic number.

It is an amenable number.

2104120069 is a deficient number, since it is larger than the sum of its proper divisors (1).

2104120069 is an equidigital number, since it uses as much as digits as its factorization.

2104120069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 2104120069 is about 45870.6885603432. The cubic root of 2104120069 is about 1281.4160900403.

The spelling of 2104120069 in words is "two billion, one hundred four million, one hundred twenty thousand, sixty-nine".