51414463656859 has 4 divisors (see below), whose sum is σ = 51414697641600. Its totient is φ = 51414229672120.

The previous prime is 51414463656827. The next prime is 51414463656911. The reversal of 51414463656859 is 95865636441415.

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 51414463656859 - 2⁵ = 51414463656827 is a prime.

It is a super-3 number, since 3×51414463656859³ (a number of 42 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51414463656794 and 51414463656803.

It is not an unprimeable number, because it can be changed into a prime (51414463650859) 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, 116662459 + ... + 117102340.

It is an arithmetic number, because the mean of its divisors is an integer number (12853674410400).

Almost surely, 2^{51414463656859} is an apocalyptic number.

51414463656859 is a deficient number, since it is larger than the sum of its proper divisors (233984741).

51414463656859 is a wasteful number, since it uses less digits than its factorization.

51414463656859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233984740.

The product of its digits is 373248000, while the sum is 67.

The spelling of 51414463656859 in words is "fifty-one trillion, four hundred fourteen billion, four hundred sixty-three million, six hundred fifty-six thousand, eight hundred fifty-nine".