51350633623 has 8 divisors (see below), whose sum is σ = 51896052000. Its totient is φ = 50806116768.

The previous prime is 51350633617. The next prime is 51350633627. The reversal of 51350633623 is 32633605315.

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

It is a cyclic number.

It is not a de Polignac number, because 51350633623 - 2⁹ = 51350633111 is a prime.

It is a super-2 number, since 2×51350633623² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51350633627) 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, 110548 + ... + 339001.

It is an arithmetic number, because the mean of its divisors is an integer number (6487006500).

Almost surely, 2^51350633623 is an apocalyptic number.

51350633623 is a deficient number, since it is larger than the sum of its proper divisors (545418377).

51350633623 is a wasteful number, since it uses less digits than its factorization.

51350633623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450761.

The product of its (nonzero) digits is 145800, while the sum is 37.

The spelling of 51350633623 in words is "fifty-one billion, three hundred fifty million, six hundred thirty-three thousand, six hundred twenty-three".