2018031449 has 8 divisors (see below), whose sum is σ = 2327876928. Its totient is φ = 1713574800.

The previous prime is 2018031437. The next prime is 2018031469. The reversal of 2018031449 is 9441308102.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-2018031449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2018031469) 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, 1346402 + ... + 1347899.

It is an arithmetic number, because the mean of its divisors is an integer number (290984616).

Almost surely, 2^2018031449 is an apocalyptic number.

It is an amenable number.

2018031449 is a deficient number, since it is larger than the sum of its proper divisors (309845479).

2018031449 is a wasteful number, since it uses less digits than its factorization.

2018031449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2694415.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 2018031449 is about 44922.5049279312. The cubic root of 2018031449 is about 1263.6960946272.

The spelling of 2018031449 in words is "two billion, eighteen million, thirty-one thousand, four hundred forty-nine".