2081423369 has 2 divisors, whose sum is σ = 2081423370. Its totient is φ = 2081423368.

The previous prime is 2081423363. The next prime is 2081423401. The reversal of 2081423369 is 9633241802.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1985148025 + 96275344 = 44555^2 + 9812^2 .

It is a cyclic number.

It is not a de Polignac number, because 2081423369 - 2¹⁶ = 2081357833 is a prime.

It is a super-2 number, since 2×2081423369² = 8664646482038620322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2081423363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1040711684 + 1040711685.

It is an arithmetic number, because the mean of its divisors is an integer number (1040711685).

Almost surely, 2^2081423369 is an apocalyptic number.

It is an amenable number.

2081423369 is a deficient number, since it is larger than the sum of its proper divisors (1).

2081423369 is an equidigital number, since it uses as much as digits as its factorization.

2081423369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 2081423369 is about 45622.6190502036. The cubic root of 2081423369 is about 1276.7919683393.

The spelling of 2081423369 in words is "two billion, eighty-one million, four hundred twenty-three thousand, three hundred sixty-nine".