51214666443 has 16 divisors (see below), whose sum is σ = 69190087680. Its totient is φ = 33691671936.

The previous prime is 51214666423. The next prime is 51214666457. The reversal of 51214666443 is 34466641215.

It is not a de Polignac number, because 51214666443 - 2⁵ = 51214666411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51214666395 and 51214666404.

It is not an unprimeable number, because it can be changed into a prime (51214666423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 360346 + ... + 481952.

It is an arithmetic number, because the mean of its divisors is an integer number (4324380480).

Almost surely, 2^51214666443 is an apocalyptic number.

51214666443 is a deficient number, since it is larger than the sum of its proper divisors (17975421237).

51214666443 is a wasteful number, since it uses less digits than its factorization.

51214666443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123466.

The product of its digits is 414720, while the sum is 42.

The spelling of 51214666443 in words is "fifty-one billion, two hundred fourteen million, six hundred sixty-six thousand, four hundred forty-three".