51724157150833 has 2 divisors, whose sum is σ = 51724157150834. Its totient is φ = 51724157150832.

The previous prime is 51724157150779. The next prime is 51724157150881. The reversal of 51724157150833 is 33805175142715.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51516319635169 + 207837515664 = 7177487^2 + 455892^2 .

It is a cyclic number.

It is not a de Polignac number, because 51724157150833 - 2²⁹ = 51723620279921 is a prime.

It is not a weakly prime, because it can be changed into another prime (51724157153833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25862078575416 + 25862078575417.

It is an arithmetic number, because the mean of its divisors is an integer number (25862078575417).

Almost surely, 2^{51724157150833} is an apocalyptic number.

It is an amenable number.

51724157150833 is a deficient number, since it is larger than the sum of its proper divisors (1).

51724157150833 is an equidigital number, since it uses as much as digits as its factorization.

51724157150833 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528000, while the sum is 52.

The spelling of 51724157150833 in words is "fifty-one trillion, seven hundred twenty-four billion, one hundred fifty-seven million, one hundred fifty thousand, eight hundred thirty-three".