18434435755 has 16 divisors (see below), whose sum is σ = 22212721440. Its totient is φ = 14686737408.

The previous prime is 18434435753. The next prime is 18434435777. The reversal of 18434435755 is 55753443481.

It is a cyclic number.

It is not a de Polignac number, because 18434435755 - 2¹ = 18434435753 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18434435699 and 18434435708.

It is not an unprimeable number, because it can be changed into a prime (18434435753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1301944 + ... + 1316026.

It is an arithmetic number, because the mean of its divisors is an integer number (1388295090).

Almost surely, 2^18434435755 is an apocalyptic number.

18434435755 is a deficient number, since it is larger than the sum of its proper divisors (3778285685).

18434435755 is a wasteful number, since it uses less digits than its factorization.

18434435755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15150.

The product of its digits is 4032000, while the sum is 49.

The spelling of 18434435755 in words is "eighteen billion, four hundred thirty-four million, four hundred thirty-five thousand, seven hundred fifty-five".