51300146344 has 8 divisors (see below), whose sum is σ = 96187774410. Its totient is φ = 25650073168.

The previous prime is 51300146323. The next prime is 51300146369. The reversal of 51300146344 is 44364100315.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 38283618244 + 13016528100 = 195662^2 + 114090^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3206259139 + ... + 3206259154.

Almost surely, 2^51300146344 is an apocalyptic number.

It is an amenable number.

51300146344 is a deficient number, since it is larger than the sum of its proper divisors (44887628066).

51300146344 is a wasteful number, since it uses less digits than its factorization.

51300146344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6412518299 (or 6412518295 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 51300146344 its reverse (44364100315), we get a palindrome (95664246659).

The spelling of 51300146344 in words is "fifty-one billion, three hundred million, one hundred forty-six thousand, three hundred forty-four".