535686883491 has 4 divisors (see below), whose sum is σ = 714249177992. Its totient is φ = 357124588992.

The previous prime is 535686883453. The next prime is 535686883531. The reversal of 535686883491 is 194388686535.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 535686883491 - 2¹⁸ = 535686621347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (535686813491) 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, 89281147246 + ... + 89281147251.

It is an arithmetic number, because the mean of its divisors is an integer number (178562294498).

Almost surely, 2^535686883491 is an apocalyptic number.

535686883491 is a deficient number, since it is larger than the sum of its proper divisors (178562294501).

535686883491 is a wasteful number, since it uses less digits than its factorization.

535686883491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178562294500.

The product of its digits is 149299200, while the sum is 66.

The spelling of 535686883491 in words is "five hundred thirty-five billion, six hundred eighty-six million, eight hundred eighty-three thousand, four hundred ninety-one".