51444768174043 has 4 divisors (see below), whose sum is σ = 52835167313920. Its totient is φ = 50054369034168.

The previous prime is 51444768174011. The next prime is 51444768174067. The reversal of 51444768174043 is 34047186744415.

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 51444768174043 - 2⁵ = 51444768174011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51444768274043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 695199569883 + ... + 695199569956.

It is an arithmetic number, because the mean of its divisors is an integer number (13208791828480).

Almost surely, 2^{51444768174043} is an apocalyptic number.

51444768174043 is a deficient number, since it is larger than the sum of its proper divisors (1390399139877).

51444768174043 is a wasteful number, since it uses less digits than its factorization.

51444768174043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1390399139876.

The product of its (nonzero) digits is 36126720, while the sum is 58.

The spelling of 51444768174043 in words is "fifty-one trillion, four hundred forty-four billion, seven hundred sixty-eight million, one hundred seventy-four thousand, forty-three".