534891681683 has 4 divisors (see below), whose sum is σ = 535147735320. Its totient is φ = 534635628048.

The previous prime is 534891681671. The next prime is 534891681697. The reversal of 534891681683 is 386186198435.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 386186198435 = 5 ⋅77237239687.

It is a cyclic number.

It is not a de Polignac number, because 534891681683 - 2¹⁴ = 534891665299 is a prime.

It is a super-2 number, since 2×534891681683² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (534891680683) 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, 128023685 + ... + 128027862.

It is an arithmetic number, because the mean of its divisors is an integer number (133786933830).

Almost surely, 2^534891681683 is an apocalyptic number.

534891681683 is a deficient number, since it is larger than the sum of its proper divisors (256053637).

534891681683 is a wasteful number, since it uses less digits than its factorization.

534891681683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256053636.

The product of its digits is 29859840, while the sum is 62.

The spelling of 534891681683 in words is "five hundred thirty-four billion, eight hundred ninety-one million, six hundred eighty-one thousand, six hundred eighty-three".