2618144845 has 8 divisors (see below), whose sum is σ = 3144337560. Its totient is φ = 2092806720.

The previous prime is 2618144839. The next prime is 2618144869. The reversal of 2618144845 is 5484418162.

It can be written as a sum of positive squares in 4 ways, for example, as 448634761 + 2169510084 = 21181^2 + 46578^2 .

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

It is not a de Polignac number, because 2618144845 - 2³¹ = 470661197 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206886 + ... + 219175.

It is an arithmetic number, because the mean of its divisors is an integer number (393042195).

Almost surely, 2^2618144845 is an apocalyptic number.

It is an amenable number.

2618144845 is a deficient number, since it is larger than the sum of its proper divisors (526192715).

2618144845 is a wasteful number, since it uses less digits than its factorization.

2618144845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427295.

The product of its digits is 245760, while the sum is 43.

The square root of 2618144845 is about 51167.8106332487. The cubic root of 2618144845 is about 1378.2602253112.

The spelling of 2618144845 in words is "two billion, six hundred eighteen million, one hundred forty-four thousand, eight hundred forty-five".