251063828773 has 2 divisors, whose sum is σ = 251063828774. Its totient is φ = 251063828772.

The previous prime is 251063828759. The next prime is 251063828831. The reversal of 251063828773 is 377828360152.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 173936541249 + 77127287524 = 417057^2 + 277718^2 .

It is a cyclic number.

It is not a de Polignac number, because 251063828773 - 2¹⁷ = 251063697701 is a prime.

It is a super-2 number, since 2×251063828773² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 251063828773.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (251063828723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125531914386 + 125531914387.

It is an arithmetic number, because the mean of its divisors is an integer number (125531914387).

Almost surely, 2^251063828773 is an apocalyptic number.

It is an amenable number.

251063828773 is a deficient number, since it is larger than the sum of its proper divisors (1).

251063828773 is an equidigital number, since it uses as much as digits as its factorization.

251063828773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3386880, while the sum is 52.

The spelling of 251063828773 in words is "two hundred fifty-one billion, sixty-three million, eight hundred twenty-eight thousand, seven hundred seventy-three".