2139617248 has 12 divisors (see below), whose sum is σ = 4212371520. Its totient is φ = 1069808608.

The previous prime is 2139617231. The next prime is 2139617257. The reversal of 2139617248 is 8427169312.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33431488 + ... + 33431551.

It is an arithmetic number, because the mean of its divisors is an integer number (351030960).

Almost surely, 2^2139617248 is an apocalyptic number.

It is an amenable number.

2139617248 is a deficient number, since it is larger than the sum of its proper divisors (2072754272).

2139617248 is an equidigital number, since it uses as much as digits as its factorization.

2139617248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66863049 (or 66863041 counting only the distinct ones).

The product of its digits is 145152, while the sum is 43.

The square root of 2139617248 is about 46255.9968868902. The cubic root of 2139617248 is about 1288.5819098131.

The spelling of 2139617248 in words is "two billion, one hundred thirty-nine million, six hundred seventeen thousand, two hundred forty-eight".