51263460473 has 8 divisors (see below), whose sum is σ = 53967150720. Its totient is φ = 48560331600.

The previous prime is 51263460439. The next prime is 51263460499. The reversal of 51263460473 is 37406436215.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51263460473 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51263460473.

It is not an unprimeable number, because it can be changed into a prime (51263460433) 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, 54023 + ... + 324723.

It is an arithmetic number, because the mean of its divisors is an integer number (6745893840).

Almost surely, 2^51263460473 is an apocalyptic number.

It is an amenable number.

51263460473 is a deficient number, since it is larger than the sum of its proper divisors (2703690247).

51263460473 is a wasteful number, since it uses less digits than its factorization.

51263460473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280687.

The product of its (nonzero) digits is 362880, while the sum is 41.

Adding to 51263460473 its reverse (37406436215), we get a palindrome (88669896688).

The spelling of 51263460473 in words is "fifty-one billion, two hundred sixty-three million, four hundred sixty thousand, four hundred seventy-three".