3861130305457 has 2 divisors, whose sum is σ = 3861130305458. Its totient is φ = 3861130305456.

The previous prime is 3861130305421. The next prime is 3861130305517. The reversal of 3861130305457 is 7545030311683.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2794968737856 + 1066161567601 = 1671816^2 + 1032551^2 .

It is a cyclic number.

It is not a de Polignac number, because 3861130305457 - 2¹⁹ = 3861129781169 is a prime.

It is a super-2 number, since 2×3861130305457² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3861130305257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1930565152728 + 1930565152729.

It is an arithmetic number, because the mean of its divisors is an integer number (1930565152729).

Almost surely, 2^{3861130305457} is an apocalyptic number.

It is an amenable number.

3861130305457 is a deficient number, since it is larger than the sum of its proper divisors (1).

3861130305457 is an equidigital number, since it uses as much as digits as its factorization.

3861130305457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 3861130305457 in words is "three trillion, eight hundred sixty-one billion, one hundred thirty million, three hundred five thousand, four hundred fifty-seven".