1618733142889 has 16 divisors (see below), whose sum is σ = 1633120041600. Its totient is φ = 1604397542400.

The previous prime is 1618733142883. The next prime is 1618733142979. The reversal of 1618733142889 is 9882413378161.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1618733142889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1618733142883) 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 in 15 ways as a sum of consecutive naturals, for example, 234629562 + ... + 234636460.

It is an arithmetic number, because the mean of its divisors is an integer number (102070002600).

Almost surely, 2^{1618733142889} is an apocalyptic number.

It is an amenable number.

1618733142889 is a deficient number, since it is larger than the sum of its proper divisors (14386898711).

1618733142889 is a wasteful number, since it uses less digits than its factorization.

1618733142889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10320.

The product of its digits is 13934592, while the sum is 61.

The spelling of 1618733142889 in words is "one trillion, six hundred eighteen billion, seven hundred thirty-three million, one hundred forty-two thousand, eight hundred eighty-nine".