2818812373477 has 2 divisors, whose sum is σ = 2818812373478. Its totient is φ = 2818812373476.

The previous prime is 2818812373471. The next prime is 2818812373523. The reversal of 2818812373477 is 7743732188182.

It is a happy number.

2818812373477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1997829594916 + 820982778561 = 1413446^2 + 906081^2 .

It is a cyclic number.

It is not a de Polignac number, because 2818812373477 - 2²³ = 2818803984869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2818812373471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1409406186738 + 1409406186739.

It is an arithmetic number, because the mean of its divisors is an integer number (1409406186739).

Almost surely, 2^{2818812373477} is an apocalyptic number.

It is an amenable number.

2818812373477 is a deficient number, since it is larger than the sum of its proper divisors (1).

2818812373477 is an equidigital number, since it uses as much as digits as its factorization.

2818812373477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25288704, while the sum is 61.

The spelling of 2818812373477 in words is "two trillion, eight hundred eighteen billion, eight hundred twelve million, three hundred seventy-three thousand, four hundred seventy-seven".