51063881473 has 24 divisors (see below), whose sum is σ = 57615766560. Its totient is φ = 44881502400.

The previous prime is 51063881467. The next prime is 51063881501. The reversal of 51063881473 is 37418836015.

It is not a de Polignac number, because 51063881473 - 2⁵ = 51063881441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51063881573) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17197533 + ... + 17200501.

It is an arithmetic number, because the mean of its divisors is an integer number (2400656940).

Almost surely, 2^51063881473 is an apocalyptic number.

It is an amenable number.

51063881473 is a deficient number, since it is larger than the sum of its proper divisors (6551885087).

51063881473 is a wasteful number, since it uses less digits than its factorization.

51063881473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4669 (or 4638 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 51063881473 in words is "fifty-one billion, sixty-three million, eight hundred eighty-one thousand, four hundred seventy-three".