1618709048479 has 2 divisors, whose sum is σ = 1618709048480. Its totient is φ = 1618709048478.

The previous prime is 1618709048477. The next prime is 1618709048483. The reversal of 1618709048479 is 9748409078161.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1618709048479 - 2¹ = 1618709048477 is a prime.

It is a super-3 number, since 3×1618709048479³ (a number of 38 digits) contains 333 as substring.

Together with 1618709048477, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1618709048479.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1618709048477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 809354524239 + 809354524240.

It is an arithmetic number, because the mean of its divisors is an integer number (809354524240).

Almost surely, 2^{1618709048479} is an apocalyptic number.

1618709048479 is a deficient number, since it is larger than the sum of its proper divisors (1).

1618709048479 is an equidigital number, since it uses as much as digits as its factorization.

1618709048479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24385536, while the sum is 64.

The spelling of 1618709048479 in words is "one trillion, six hundred eighteen billion, seven hundred nine million, forty-eight thousand, four hundred seventy-nine".