51673036738 has 8 divisors (see below), whose sum is σ = 78823276560. Its totient is φ = 25398611220.

The previous prime is 51673036717. The next prime is 51673036741. The reversal of 51673036738 is 83763037615.

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

It is a junction number, because it is equal to n+sod(n) for n = 51673036691 and 51673036700.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218953428 + ... + 218953663.

It is an arithmetic number, because the mean of its divisors is an integer number (9852909570).

Almost surely, 2^51673036738 is an apocalyptic number.

51673036738 is a deficient number, since it is larger than the sum of its proper divisors (27150239822).

51673036738 is a wasteful number, since it uses less digits than its factorization.

51673036738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437907152.

The product of its (nonzero) digits is 1905120, while the sum is 49.

The spelling of 51673036738 in words is "fifty-one billion, six hundred seventy-three million, thirty-six thousand, seven hundred thirty-eight".