51333441464 has 8 divisors (see below), whose sum is σ = 96250202760. Its totient is φ = 25666720728.

The previous prime is 51333441443. The next prime is 51333441469. The reversal of 51333441464 is 46414433315.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51333441469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3208340084 + ... + 3208340099.

It is an arithmetic number, because the mean of its divisors is an integer number (12031275345).

Almost surely, 2^51333441464 is an apocalyptic number.

It is an amenable number.

51333441464 is a deficient number, since it is larger than the sum of its proper divisors (44916761296).

51333441464 is a wasteful number, since it uses less digits than its factorization.

51333441464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6416680189 (or 6416680185 counting only the distinct ones).

The product of its digits is 207360, while the sum is 38.

Adding to 51333441464 its reverse (46414433315), we get a palindrome (97747874779).

The spelling of 51333441464 in words is "fifty-one billion, three hundred thirty-three million, four hundred forty-one thousand, four hundred sixty-four".