8193144535 has 16 divisors (see below), whose sum is σ = 10384957440. Its totient is φ = 6195561120.

The previous prime is 8193144529. The next prime is 8193144593. The reversal of 8193144535 is 5354413918.

It is not a de Polignac number, because 8193144535 - 2⁹ = 8193144023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a junction number, because it is equal to n+sod(n) for n = 8193144491 and 8193144500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 607975 + ... + 621304.

It is an arithmetic number, because the mean of its divisors is an integer number (649059840).

Almost surely, 2^8193144535 is an apocalyptic number.

8193144535 is a deficient number, since it is larger than the sum of its proper divisors (2191812905).

8193144535 is a wasteful number, since it uses less digits than its factorization.

8193144535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229358.

The product of its digits is 259200, while the sum is 43.

The square root of 8193144535 is about 90515.9904933929. The cubic root of 8193144535 is about 2015.9675572138.

The spelling of 8193144535 in words is "eight billion, one hundred ninety-three million, one hundred forty-four thousand, five hundred thirty-five".