2918290889489 has 2 divisors, whose sum is σ = 2918290889490. Its totient is φ = 2918290889488.

The previous prime is 2918290889429. The next prime is 2918290889543. The reversal of 2918290889489 is 9849880928192.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2885106073600 + 33184815889 = 1698560^2 + 182167^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2918290889489 is a prime.

It is a super-2 number, since 2×2918290889489² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2918290889429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1459145444744 + 1459145444745.

It is an arithmetic number, because the mean of its divisors is an integer number (1459145444745).

Almost surely, 2^{2918290889489} is an apocalyptic number.

It is an amenable number.

2918290889489 is a deficient number, since it is larger than the sum of its proper divisors (1).

2918290889489 is an equidigital number, since it uses as much as digits as its factorization.

2918290889489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 429981696, while the sum is 77.

The spelling of 2918290889489 in words is "two trillion, nine hundred eighteen billion, two hundred ninety million, eight hundred eighty-nine thousand, four hundred eighty-nine".