2918890441049 has 4 divisors (see below), whose sum is σ = 3184244117520. Its totient is φ = 2653536764580.

The previous prime is 2918890441031. The next prime is 2918890441079. The reversal of 2918890441049 is 9401440988192.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2918890441049 - 2¹² = 2918890436953 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2918890441009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132676838219 + ... + 132676838240.

It is an arithmetic number, because the mean of its divisors is an integer number (796061029380).

Almost surely, 2^{2918890441049} is an apocalyptic number.

It is an amenable number.

2918890441049 is a deficient number, since it is larger than the sum of its proper divisors (265353676471).

2918890441049 is a wasteful number, since it uses less digits than its factorization.

2918890441049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265353676470.

The product of its (nonzero) digits is 5971968, while the sum is 59.

The spelling of 2918890441049 in words is "two trillion, nine hundred eighteen billion, eight hundred ninety million, four hundred forty-one thousand, forty-nine".