1063868307839 has 16 divisors (see below), whose sum is σ = 1079673753600. Its totient is φ = 1048122943296.

The previous prime is 1063868307773. The next prime is 1063868307857. The reversal of 1063868307839 is 9387038683601.

It is a cyclic number.

It is not a de Polignac number, because 1063868307839 - 2¹⁶ = 1063868242303 is a prime.

It is a super-2 number, since 2×1063868307839² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1063868307889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200613662 + ... + 200618964.

It is an arithmetic number, because the mean of its divisors is an integer number (67479609600).

Almost surely, 2^{1063868307839} is an apocalyptic number.

1063868307839 is a deficient number, since it is larger than the sum of its proper divisors (15805445761).

1063868307839 is an equidigital number, since it uses as much as digits as its factorization.

1063868307839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10414.

The product of its (nonzero) digits is 31352832, while the sum is 62.

The spelling of 1063868307839 in words is "one trillion, sixty-three billion, eight hundred sixty-eight million, three hundred seven thousand, eight hundred thirty-nine".