51441562645463 has 8 divisors (see below), whose sum is σ = 51590524452432. Its totient is φ = 51292604949696.

The previous prime is 51441562645441. The next prime is 51441562645519. The reversal of 51441562645463 is 36454626514415.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51441562645463 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51441562645399 and 51441562645408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51441562645763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24985181 + ... + 26965577.

It is an arithmetic number, because the mean of its divisors is an integer number (6448815556554).

Almost surely, 2^{51441562645463} is an apocalyptic number.

51441562645463 is a deficient number, since it is larger than the sum of its proper divisors (148961806969).

51441562645463 is a wasteful number, since it uses less digits than its factorization.

51441562645463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2055601.

The product of its digits is 41472000, while the sum is 56.

The spelling of 51441562645463 in words is "fifty-one trillion, four hundred forty-one billion, five hundred sixty-two million, six hundred forty-five thousand, four hundred sixty-three".