51374073817 has 8 divisors (see below), whose sum is σ = 56568225312. Its totient is φ = 46267219200.

The previous prime is 51374073769. The next prime is 51374073827. The reversal of 51374073817 is 71837047315.

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 51374073817 - 2¹⁹ = 51373549529 is a prime.

It is a super-4 number, since 4×51374073817⁴ (a number of 44 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51374073827) 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, 21822984 + ... + 21825337.

It is an arithmetic number, because the mean of its divisors is an integer number (7071028164).

Almost surely, 2^51374073817 is an apocalyptic number.

It is an amenable number.

51374073817 is a deficient number, since it is larger than the sum of its proper divisors (5194151495).

51374073817 is a wasteful number, since it uses less digits than its factorization.

51374073817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43648439.

The product of its (nonzero) digits is 493920, while the sum is 46.

The spelling of 51374073817 in words is "fifty-one billion, three hundred seventy-four million, seventy-three thousand, eight hundred seventeen".