18779045534 has 8 divisors (see below), whose sum is σ = 28176647688. Its totient is φ = 9386829640.

The previous prime is 18779045531. The next prime is 18779045569. The reversal of 18779045534 is 43554097781.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18779045531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1337837 + ... + 1351800.

It is an arithmetic number, because the mean of its divisors is an integer number (3522080961).

Almost surely, 2^18779045534 is an apocalyptic number.

18779045534 is a deficient number, since it is larger than the sum of its proper divisors (9397602154).

18779045534 is a wasteful number, since it uses less digits than its factorization.

18779045534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2693130.

The product of its (nonzero) digits is 4233600, while the sum is 53.

The spelling of 18779045534 in words is "eighteen billion, seven hundred seventy-nine million, forty-five thousand, five hundred thirty-four".