51341666745 has 8 divisors (see below), whose sum is σ = 82146666816. Its totient is φ = 27382222256.

The previous prime is 51341666741. The next prime is 51341666759. The reversal of 51341666745 is 54766614315.

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

It is a cyclic number.

It is not a de Polignac number, because 51341666745 - 2² = 51341666741 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 51341666694 and 51341666703.

It is not an unprimeable number, because it can be changed into a prime (51341666741) 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, 1711388877 + ... + 1711388906.

It is an arithmetic number, because the mean of its divisors is an integer number (10268333352).

Almost surely, 2^51341666745 is an apocalyptic number.

It is an amenable number.

51341666745 is a deficient number, since it is larger than the sum of its proper divisors (30805000071).

51341666745 is a wasteful number, since it uses less digits than its factorization.

51341666745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3422777791.

The product of its digits is 1814400, while the sum is 48.

The spelling of 51341666745 in words is "fifty-one billion, three hundred forty-one million, six hundred sixty-six thousand, seven hundred forty-five".