2889680408836 has 27 divisors (see below), whose sum is σ = 5475942635583. Its totient is φ = 1333678251360.

The previous prime is 2889680408777. The next prime is 2889680408837. The reversal of 2889680408836 is 6388040869882.

The square root of 2889680408836 is 1699906.

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

It can be written as a sum of positive squares in 4 ways, for example, as 2198547562500 + 691132846336 = 1482750^2 + 831344^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2889680408837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 44164866 + ... + 44230246.

Almost surely, 2^{2889680408836} is an apocalyptic number.

2889680408836 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2889680408836 is the 1699906-th square number.

It is an amenable number.

2889680408836 is a deficient number, since it is larger than the sum of its proper divisors (2586262226747).

2889680408836 is an frugal number, since it uses more digits than its factorization.

2889680408836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130792 (or 65396 counting only the distinct ones).

The product of its (nonzero) digits is 254803968, while the sum is 70.

The spelling of 2889680408836 in words is "two trillion, eight hundred eighty-nine billion, six hundred eighty million, four hundred eight thousand, eight hundred thirty-six".