5307388465781 has 2 divisors, whose sum is σ = 5307388465782. Its totient is φ = 5307388465780.

The previous prime is 5307388465711. The next prime is 5307388465783. The reversal of 5307388465781 is 1875648837035.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4717627440100 + 589761025681 = 2172010^2 + 767959^2 .

It is a cyclic number.

It is not a de Polignac number, because 5307388465781 - 2³⁴ = 5290208596597 is a prime.

It is a super-2 number, since 2×5307388465781² (a number of 26 digits) contains 22 as substring.

Together with 5307388465783, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5307388465783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2653694232890 + 2653694232891.

It is an arithmetic number, because the mean of its divisors is an integer number (2653694232891).

Almost surely, 2^{5307388465781} is an apocalyptic number.

It is an amenable number.

5307388465781 is a deficient number, since it is larger than the sum of its proper divisors (1).

5307388465781 is an equidigital number, since it uses as much as digits as its factorization.

5307388465781 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 135475200, while the sum is 65.

The spelling of 5307388465781 in words is "five trillion, three hundred seven billion, three hundred eighty-eight million, four hundred sixty-five thousand, seven hundred eighty-one".