51733448623 has 2 divisors, whose sum is σ = 51733448624. Its totient is φ = 51733448622.

The previous prime is 51733448621. The next prime is 51733448633. The reversal of 51733448623 is 32684433715.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51733448623 - 2¹ = 51733448621 is a prime.

It is a super-2 number, since 2×51733448623² (a number of 22 digits) contains 22 as substring.

Together with 51733448621, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51733448621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25866724311 + 25866724312.

It is an arithmetic number, because the mean of its divisors is an integer number (25866724312).

Almost surely, 2^51733448623 is an apocalyptic number.

51733448623 is a deficient number, since it is larger than the sum of its proper divisors (1).

51733448623 is an equidigital number, since it uses as much as digits as its factorization.

51733448623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1451520, while the sum is 46.

The spelling of 51733448623 in words is "fifty-one billion, seven hundred thirty-three million, four hundred forty-eight thousand, six hundred twenty-three".