1063868307857 has 2 divisors, whose sum is σ = 1063868307858. Its totient is φ = 1063868307856.

The previous prime is 1063868307773. The next prime is 1063868307881. The reversal of 1063868307857 is 7587038683601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 757394240656 + 306474067201 = 870284^2 + 553601^2 .

It is a cyclic number.

It is not a de Polignac number, because 1063868307857 - 2³⁶ = 995148831121 is a prime.

It is a super-2 number, since 2×1063868307857² (a number of 25 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 1063868307857.

It is not a weakly prime, because it can be changed into another prime (1063868307757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 531934153928 + 531934153929.

It is an arithmetic number, because the mean of its divisors is an integer number (531934153929).

Almost surely, 2^{1063868307857} is an apocalyptic number.

It is an amenable number.

1063868307857 is a deficient number, since it is larger than the sum of its proper divisors (1).

1063868307857 is an equidigital number, since it uses as much as digits as its factorization.

1063868307857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40642560, while the sum is 62.

The spelling of 1063868307857 in words is "one trillion, sixty-three billion, eight hundred sixty-eight million, three hundred seven thousand, eight hundred fifty-seven".