4099381422569 has 2 divisors, whose sum is σ = 4099381422570. Its totient is φ = 4099381422568.

The previous prime is 4099381422533. The next prime is 4099381422637. The reversal of 4099381422569 is 9652241839904.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3441396010000 + 657985412569 = 1855100^2 + 811163^2 .

It is a cyclic number.

It is not a de Polignac number, because 4099381422569 - 2⁸ = 4099381422313 is a prime.

It is a super-2 number, since 2×4099381422569² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4099381422869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2049690711284 + 2049690711285.

It is an arithmetic number, because the mean of its divisors is an integer number (2049690711285).

Almost surely, 2^{4099381422569} is an apocalyptic number.

It is an amenable number.

4099381422569 is a deficient number, since it is larger than the sum of its proper divisors (1).

4099381422569 is an equidigital number, since it uses as much as digits as its factorization.

4099381422569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33592320, while the sum is 62.

The spelling of 4099381422569 in words is "four trillion, ninety-nine billion, three hundred eighty-one million, four hundred twenty-two thousand, five hundred sixty-nine".