2918518453 has 2 divisors, whose sum is σ = 2918518454. Its totient is φ = 2918518452.

The previous prime is 2918518441. The next prime is 2918518481. The reversal of 2918518453 is 3548158192.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1505284804 + 1413233649 = 38798^2 + 37593^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2918518453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2918518483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1459259226 + 1459259227.

It is an arithmetic number, because the mean of its divisors is an integer number (1459259227).

Almost surely, 2^2918518453 is an apocalyptic number.

It is an amenable number.

2918518453 is a deficient number, since it is larger than the sum of its proper divisors (1).

2918518453 is an equidigital number, since it uses as much as digits as its factorization.

2918518453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 345600, while the sum is 46.

The square root of 2918518453 is about 54023.3139764676. The cubic root of 2918518453 is about 1429.0721241965.

It can be divided in two parts, 291851 and 8453, that added together give a square (300304 = 548²).

The spelling of 2918518453 in words is "two billion, nine hundred eighteen million, five hundred eighteen thousand, four hundred fifty-three".