51012982849 has 8 divisors (see below), whose sum is σ = 54315502560. Its totient is φ = 47743991616.

The previous prime is 51012982807. The next prime is 51012982897. The reversal of 51012982849 is 94828921015.

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 51012982849 - 2¹⁵ = 51012950081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51012980849) 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, 8378979 + ... + 8385064.

It is an arithmetic number, because the mean of its divisors is an integer number (6789437820).

Almost surely, 2^51012982849 is an apocalyptic number.

It is an amenable number.

51012982849 is a deficient number, since it is larger than the sum of its proper divisors (3302519711).

51012982849 is a wasteful number, since it uses less digits than its factorization.

51012982849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16764239.

The product of its (nonzero) digits is 414720, while the sum is 49.

The spelling of 51012982849 in words is "fifty-one billion, twelve million, nine hundred eighty-two thousand, eight hundred forty-nine".