2439818897 has 8 divisors (see below), whose sum is σ = 2446319616. Its totient is φ = 2433327552.

The previous prime is 2439818893. The next prime is 2439818929. The reversal of 2439818897 is 7988189342.

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

It is a cyclic number.

It is not a de Polignac number, because 2439818897 - 2² = 2439818893 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2439818893) 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, 1008233 + ... + 1010649.

It is an arithmetic number, because the mean of its divisors is an integer number (305789952).

Almost surely, 2^2439818897 is an apocalyptic number.

It is an amenable number.

2439818897 is a deficient number, since it is larger than the sum of its proper divisors (6500719).

2439818897 is a wasteful number, since it uses less digits than its factorization.

2439818897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4687.

The product of its digits is 6967296, while the sum is 59.

The square root of 2439818897 is about 49394.5229453631. The cubic root of 2439818897 is about 1346.2297909396.

The spelling of 2439818897 in words is "two billion, four hundred thirty-nine million, eight hundred eighteen thousand, eight hundred ninety-seven".