3864728862737 has 2 divisors, whose sum is σ = 3864728862738. Its totient is φ = 3864728862736.

The previous prime is 3864728862707. The next prime is 3864728862763. The reversal of 3864728862737 is 7372688274683.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3276538034641 + 588190828096 = 1810121^2 + 766936^2 .

It is an emirp because it is prime and its reverse (7372688274683) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3864728862737 - 2²⁶ = 3864661753873 is a prime.

It is a super-2 number, since 2×3864728862737² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3864728862707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1932364431368 + 1932364431369.

It is an arithmetic number, because the mean of its divisors is an integer number (1932364431369).

Almost surely, 2^{3864728862737} is an apocalyptic number.

It is an amenable number.

3864728862737 is a deficient number, since it is larger than the sum of its proper divisors (1).

3864728862737 is an equidigital number, since it uses as much as digits as its factorization.

3864728862737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 910393344, while the sum is 71.

The spelling of 3864728862737 in words is "three trillion, eight hundred sixty-four billion, seven hundred twenty-eight million, eight hundred sixty-two thousand, seven hundred thirty-seven".