53868654843 has 4 divisors (see below), whose sum is σ = 71824873128. Its totient is φ = 35912436560.

The previous prime is 53868654803. The next prime is 53868654857. The reversal of 53868654843 is 34845686835.

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

It is a cyclic number.

It is not a de Polignac number, because 53868654843 - 2²⁹ = 53331783931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53868654803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8978109138 + ... + 8978109143.

It is an arithmetic number, because the mean of its divisors is an integer number (17956218282).

Almost surely, 2^53868654843 is an apocalyptic number.

53868654843 is a deficient number, since it is larger than the sum of its proper divisors (17956218285).

53868654843 is a wasteful number, since it uses less digits than its factorization.

53868654843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17956218284.

The product of its digits is 66355200, while the sum is 60.

The spelling of 53868654843 in words is "fifty-three billion, eight hundred sixty-eight million, six hundred fifty-four thousand, eight hundred forty-three".