51965431079149 has 8 divisors (see below), whose sum is σ = 59394268726848. Its totient is φ = 44537894590560.

The previous prime is 51965431079137. The next prime is 51965431079173. The reversal of 51965431079149 is 94197013456915.

51965431079149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 51965431079149 - 2⁹ = 51965431078637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51965431079179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325204192 + ... + 325363945.

It is an arithmetic number, because the mean of its divisors is an integer number (7424283590856).

Almost surely, 2^{51965431079149} is an apocalyptic number.

It is an amenable number.

51965431079149 is a deficient number, since it is larger than the sum of its proper divisors (7428837647699).

51965431079149 is a wasteful number, since it uses less digits than its factorization.

51965431079149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650579555.

The product of its (nonzero) digits is 36741600, while the sum is 64.

The spelling of 51965431079149 in words is "fifty-one trillion, nine hundred sixty-five billion, four hundred thirty-one million, seventy-nine thousand, one hundred forty-nine".