2104619969 has 2 divisors, whose sum is σ = 2104619970. Its totient is φ = 2104619968.

The previous prime is 2104619953. The next prime is 2104620059. The reversal of 2104619969 is 9699164012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2098739344 + 5880625 = 45812^2 + 2425^2 .

It is a cyclic number.

It is not a de Polignac number, because 2104619969 - 2⁴ = 2104619953 is a prime.

It is a super-2 number, since 2×2104619969² = 8858850427827121922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2104619269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052309984 + 1052309985.

It is an arithmetic number, because the mean of its divisors is an integer number (1052309985).

Almost surely, 2^2104619969 is an apocalyptic number.

It is an amenable number.

2104619969 is a deficient number, since it is larger than the sum of its proper divisors (1).

2104619969 is an equidigital number, since it uses as much as digits as its factorization.

2104619969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 209952, while the sum is 47.

The square root of 2104619969 is about 45876.1372502088. The cubic root of 2104619969 is about 1281.5175622566.

The spelling of 2104619969 in words is "two billion, one hundred four million, six hundred nineteen thousand, nine hundred sixty-nine".