51469654889796 has 192 divisors, whose sum is σ = 143377900732416. Its totient is φ = 14283735903360.

The previous prime is 51469654889777. The next prime is 51469654889819. The reversal of 51469654889796 is 69798845696415.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25393851 + ... + 27345693.

It is an arithmetic number, because the mean of its divisors is an integer number (746759899648).

Almost surely, 2^{51469654889796} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51469654889796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71688950366208).

51469654889796 is an abundant number, since it is smaller than the sum of its proper divisors (91908245842620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51469654889796 is a wasteful number, since it uses less digits than its factorization.

51469654889796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1952023 (or 1951999 counting only the distinct ones).

The product of its digits is 28217548800, while the sum is 87.

The spelling of 51469654889796 in words is "fifty-one trillion, four hundred sixty-nine billion, six hundred fifty-four million, eight hundred eighty-nine thousand, seven hundred ninety-six".