2471243918 has 16 divisors (see below), whose sum is σ = 4354919856. Its totient is φ = 1036885440.

The previous prime is 2471243917. The next prime is 2471243933. The reversal of 2471243918 is 8193421742.

It is a super-2 number, since 2×2471243918² = 12214093004503981448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2471243917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4320071 + ... + 4320642.

It is an arithmetic number, because the mean of its divisors is an integer number (272182491).

Almost surely, 2^2471243918 is an apocalyptic number.

2471243918 is a deficient number, since it is larger than the sum of its proper divisors (1883675938).

2471243918 is a wasteful number, since it uses less digits than its factorization.

2471243918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8640739.

The product of its digits is 96768, while the sum is 41.

The square root of 2471243918 is about 49711.6074775298. The cubic root of 2471243918 is about 1351.9849935749.

The spelling of 2471243918 in words is "two billion, four hundred seventy-one million, two hundred forty-three thousand, nine hundred eighteen".