2081423399 has 8 divisors (see below), whose sum is σ = 2278670592. Its totient is φ = 1885514040.

The previous prime is 2081423369. The next prime is 2081423401. The reversal of 2081423399 is 9933241802.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2081423399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2081423329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 331199 + ... + 337424.

It is an arithmetic number, because the mean of its divisors is an integer number (284833824).

Almost surely, 2^2081423399 is an apocalyptic number.

2081423399 is a deficient number, since it is larger than the sum of its proper divisors (197247193).

2081423399 is a wasteful number, since it uses less digits than its factorization.

2081423399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668917.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 2081423399 is about 45622.6193789879. The cubic root of 2081423399 is about 1276.7919744736.

The spelling of 2081423399 in words is "two billion, eighty-one million, four hundred twenty-three thousand, three hundred ninety-nine".