18959444022835 has 16 divisors (see below), whose sum is σ = 22796179308000. Its totient is φ = 15137681527296.

The previous prime is 18959444022833. The next prime is 18959444022839. The reversal of 18959444022835 is 53822044495981.

It is a cyclic number.

It is not a de Polignac number, because 18959444022835 - 2¹ = 18959444022833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18959444022833) 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, 4838491 + ... + 7831339.

It is an arithmetic number, because the mean of its divisors is an integer number (1424761206750).

Almost surely, 2^{18959444022835} is an apocalyptic number.

18959444022835 is a deficient number, since it is larger than the sum of its proper divisors (3836735285165).

18959444022835 is a wasteful number, since it uses less digits than its factorization.

18959444022835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2995350.

The product of its (nonzero) digits is 99532800, while the sum is 64.

The spelling of 18959444022835 in words is "eighteen trillion, nine hundred fifty-nine billion, four hundred forty-four million, twenty-two thousand, eight hundred thirty-five".