51741917378 has 8 divisors (see below), whose sum is σ = 77621896380. Its totient is φ = 25867951920.

The previous prime is 51741917377. The next prime is 51741917387. The reversal of 51741917378 is 87371914715.

It can be written as a sum of positive squares in 2 ways, for example, as 51621203209 + 120714169 = 227203^2 + 10987^2 .

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

It is not an unprimeable number, because it can be changed into a prime (51741917377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1481813 + ... + 1516328.

Almost surely, 2^51741917378 is an apocalyptic number.

51741917378 is a deficient number, since it is larger than the sum of its proper divisors (25879979002).

51741917378 is a wasteful number, since it uses less digits than its factorization.

51741917378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3006772.

The product of its digits is 1481760, while the sum is 53.

The spelling of 51741917378 in words is "fifty-one billion, seven hundred forty-one million, nine hundred seventeen thousand, three hundred seventy-eight".