18070230535 has 48 divisors (see below), whose sum is σ = 26731404000. Its totient is φ = 11659624704.

The previous prime is 18070230523. The next prime is 18070230539. The reversal of 18070230535 is 53503207081.

It is not a de Polignac number, because 18070230535 - 2¹⁹ = 18069706247 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18070230535.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18070230539) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 680569 + ... + 706621.

It is an arithmetic number, because the mean of its divisors is an integer number (556904250).

Almost surely, 2^18070230535 is an apocalyptic number.

18070230535 is a deficient number, since it is larger than the sum of its proper divisors (8661173465).

18070230535 is a wasteful number, since it uses less digits than its factorization.

18070230535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26240 (or 26233 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The spelling of 18070230535 in words is "eighteen billion, seventy million, two hundred thirty thousand, five hundred thirty-five".