2418949370881 has 4 divisors (see below), whose sum is σ = 2420229917700. Its totient is φ = 2417668824064.

The previous prime is 2418949370731. The next prime is 2418949370891. The reversal of 2418949370881 is 1880739498142.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1018466474481 + 1400482896400 = 1009191^2 + 1183420^2 .

It is a cyclic number.

It is not a de Polignac number, because 2418949370881 - 2³¹ = 2416801887233 is a prime.

It is a super-2 number, since 2×2418949370881² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2418949370891) 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 in 3 ways as a sum of consecutive naturals, for example, 640270576 + ... + 640274353.

It is an arithmetic number, because the mean of its divisors is an integer number (605057479425).

Almost surely, 2^{2418949370881} is an apocalyptic number.

It is an amenable number.

2418949370881 is a deficient number, since it is larger than the sum of its proper divisors (1280546819).

2418949370881 is a wasteful number, since it uses less digits than its factorization.

2418949370881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280546818.

The product of its (nonzero) digits is 27869184, while the sum is 64.

The spelling of 2418949370881 in words is "two trillion, four hundred eighteen billion, nine hundred forty-nine million, three hundred seventy thousand, eight hundred eighty-one".