51595675445389 has 4 divisors (see below), whose sum is σ = 51595693325280. Its totient is φ = 51595657565500.

The previous prime is 51595675445387. The next prime is 51595675445429. The reversal of 51595675445389 is 98354457659515.

It is a happy number.

51595675445389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 51595675445389 - 2¹ = 51595675445387 is a prime.

It is a super-2 number, since 2×51595675445389² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51595675445387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3513487 + ... + 10748764.

It is an arithmetic number, because the mean of its divisors is an integer number (12898923331320).

Almost surely, 2^{51595675445389} is an apocalyptic number.

It is an amenable number.

51595675445389 is a deficient number, since it is larger than the sum of its proper divisors (17879891).

51595675445389 is a wasteful number, since it uses less digits than its factorization.

51595675445389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17879890.

The product of its digits is 4082400000, while the sum is 76.

The spelling of 51595675445389 in words is "fifty-one trillion, five hundred ninety-five billion, six hundred seventy-five million, four hundred forty-five thousand, three hundred eighty-nine".