1818206771379 has 16 divisors (see below), whose sum is σ = 2484826189440. Its totient is φ = 1181896453440.

The previous prime is 1818206771369. The next prime is 1818206771417. The reversal of 1818206771379 is 9731776028181.

It is not a de Polignac number, because 1818206771379 - 2²⁴ = 1818189994163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1818206771369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4015849 + ... + 4445610.

It is an arithmetic number, because the mean of its divisors is an integer number (155301636840).

Almost surely, 2^{1818206771379} is an apocalyptic number.

1818206771379 is a deficient number, since it is larger than the sum of its proper divisors (666619418061).

1818206771379 is a wasteful number, since it uses less digits than its factorization.

1818206771379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8463250.

The product of its (nonzero) digits is 7112448, while the sum is 60.

The spelling of 1818206771379 in words is "one trillion, eight hundred eighteen billion, two hundred six million, seven hundred seventy-one thousand, three hundred seventy-nine".