2239657732806 has 64 divisors (see below), whose sum is σ = 5107898009088. Its totient is φ = 648555360768.

The previous prime is 2239657732777. The next prime is 2239657732817. The reversal of 2239657732806 is 6082377569322.

It is a self number, because there is not a number n which added to its sum of digits gives 2239657732806.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39124201 + ... + 39181403.

It is an arithmetic number, because the mean of its divisors is an integer number (79810906392).

Almost surely, 2^{2239657732806} is an apocalyptic number.

2239657732806 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2239657732806 is an abundant number, since it is smaller than the sum of its proper divisors (2868240276282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2239657732806 is a wasteful number, since it uses less digits than its factorization.

2239657732806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86765.

The product of its (nonzero) digits is 45722880, while the sum is 60.

The spelling of 2239657732806 in words is "two trillion, two hundred thirty-nine billion, six hundred fifty-seven million, seven hundred thirty-two thousand, eight hundred six".