2481916238 has 4 divisors (see below), whose sum is σ = 3722874360. Its totient is φ = 1240958118.

The previous prime is 2481916237. The next prime is 2481916247. The reversal of 2481916238 is 8326191842.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2481916237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620479058 + ... + 620479061.

It is an arithmetic number, because the mean of its divisors is an integer number (930718590).

Almost surely, 2^2481916238 is an apocalyptic number.

2481916238 is a deficient number, since it is larger than the sum of its proper divisors (1240958122).

2481916238 is a wasteful number, since it uses less digits than its factorization.

2481916238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240958121.

The product of its digits is 165888, while the sum is 44.

The square root of 2481916238 is about 49818.8341694183. The cubic root of 2481916238 is about 1353.9284271764.

The spelling of 2481916238 in words is "two billion, four hundred eighty-one million, nine hundred sixteen thousand, two hundred thirty-eight".