51873070742 has 12 divisors (see below), whose sum is σ = 81907065420. Its totient is φ = 24570789516.

The previous prime is 51873070693. The next prime is 51873070747. The reversal of 51873070742 is 24707037815.

It is a junction number, because it is equal to n+sod(n) for n = 51873070693 and 51873070702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51873070747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1385513 + ... + 1422459.

It is an arithmetic number, because the mean of its divisors is an integer number (6825588785).

Almost surely, 2^51873070742 is an apocalyptic number.

51873070742 is a deficient number, since it is larger than the sum of its proper divisors (30033994678).

51873070742 is an frugal number, since it uses more digits than its factorization.

51873070742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73915 (or 36968 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 44.

The spelling of 51873070742 in words is "fifty-one billion, eight hundred seventy-three million, seventy thousand, seven hundred forty-two".