51673877139 has 32 divisors (see below), whose sum is σ = 71566919424. Its totient is φ = 33141749760.

The previous prime is 51673877083. The next prime is 51673877141. The reversal of 51673877139 is 93177837615.

It is not a de Polignac number, because 51673877139 - 2¹⁵ = 51673844371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51673877159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3601099 + ... + 3615419.

It is an arithmetic number, because the mean of its divisors is an integer number (2236466232).

Almost surely, 2^51673877139 is an apocalyptic number.

51673877139 is a deficient number, since it is larger than the sum of its proper divisors (19893042285).

51673877139 is a wasteful number, since it uses less digits than its factorization.

51673877139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14787.

The product of its digits is 6667920, while the sum is 57.

The spelling of 51673877139 in words is "fifty-one billion, six hundred seventy-three million, eight hundred seventy-seven thousand, one hundred thirty-nine".