51810341979 has 8 divisors (see below), whose sum is σ = 75360497472. Its totient is φ = 31400207240.

The previous prime is 51810341953. The next prime is 51810342007. The reversal of 51810341979 is 97914301815.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51810341979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51810341909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 785005149 + ... + 785005214.

It is an arithmetic number, because the mean of its divisors is an integer number (9420062184).

Almost surely, 2^51810341979 is an apocalyptic number.

51810341979 is a deficient number, since it is larger than the sum of its proper divisors (23550155493).

51810341979 is a wasteful number, since it uses less digits than its factorization.

51810341979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1570010377.

The product of its (nonzero) digits is 272160, while the sum is 48.

The spelling of 51810341979 in words is "fifty-one billion, eight hundred ten million, three hundred forty-one thousand, nine hundred seventy-nine".