53427395989 has 4 divisors (see below), whose sum is σ = 58284432000. Its totient is φ = 48570359980.

The previous prime is 53427395981. The next prime is 53427396031. The reversal of 53427395989 is 98959372435.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53427395989 - 2³ = 53427395981 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53427395989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53427395981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2428517989 + ... + 2428518010.

It is an arithmetic number, because the mean of its divisors is an integer number (14571108000).

Almost surely, 2^53427395989 is an apocalyptic number.

It is an amenable number.

53427395989 is a deficient number, since it is larger than the sum of its proper divisors (4857036011).

53427395989 is a wasteful number, since it uses less digits than its factorization.

53427395989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4857036010.

The product of its digits is 73483200, while the sum is 64.

The spelling of 53427395989 in words is "fifty-three billion, four hundred twenty-seven million, three hundred ninety-five thousand, nine hundred eighty-nine".