2865863008996 has 27 divisors (see below), whose sum is σ = 5430809021673. Its totient is φ = 1322685689520.

The previous prime is 2865863008993. The next prime is 2865863008997. The reversal of 2865863008996 is 6998003685682.

The square root of 2865863008996 is 1692886.

It is a perfect power (a square), and thus also a powerful number.

2865863008996 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 423944232100 + 2441918776896 = 651110^2 + 1562664^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2865863008993) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 43982481 + ... + 44047591.

Almost surely, 2^{2865863008996} is an apocalyptic number.

2865863008996 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2865863008996 is the 1692886-th square number.

It is an amenable number.

2865863008996 is a deficient number, since it is larger than the sum of its proper divisors (2564946012677).

2865863008996 is an frugal number, since it uses more digits than its factorization.

2865863008996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130252 (or 65126 counting only the distinct ones).

The product of its (nonzero) digits is 268738560, while the sum is 70.

The spelling of 2865863008996 in words is "two trillion, eight hundred sixty-five billion, eight hundred sixty-three million, eight thousand, nine hundred ninety-six".