51346061775659 has 4 divisors (see below), whose sum is σ = 58681213457904. Its totient is φ = 44010910093416.

The previous prime is 51346061775611. The next prime is 51346061775719. The reversal of 51346061775659 is 95657716064315.

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

It is not a de Polignac number, because 51346061775659 - 2¹⁶ = 51346061710123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51346061775595 and 51346061775604.

It is not an unprimeable number, because it can be changed into a prime (51346061775859) 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, 3667575841112 + ... + 3667575841125.

It is an arithmetic number, because the mean of its divisors is an integer number (14670303364476).

Almost surely, 2^{51346061775659} is an apocalyptic number.

51346061775659 is a deficient number, since it is larger than the sum of its proper divisors (7335151682245).

51346061775659 is an equidigital number, since it uses as much as digits as its factorization.

51346061775659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7335151682244.

The product of its (nonzero) digits is 142884000, while the sum is 65.

The spelling of 51346061775659 in words is "fifty-one trillion, three hundred forty-six billion, sixty-one million, seven hundred seventy-five thousand, six hundred fifty-nine".