2149968479 has 8 divisors (see below), whose sum is σ = 2220545232. Its totient is φ = 2080503360.

The previous prime is 2149968439. The next prime is 2149968487. The reversal of 2149968479 is 9748699412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2149968479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2149968409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273977 + ... + 281714.

It is an arithmetic number, because the mean of its divisors is an integer number (277568154).

Almost surely, 2^2149968479 is an apocalyptic number.

2149968479 is a deficient number, since it is larger than the sum of its proper divisors (70576753).

2149968479 is an equidigital number, since it uses as much as digits as its factorization.

2149968479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555817.

The product of its digits is 7838208, while the sum is 59.

The square root of 2149968479 is about 46367.7525765483. The cubic root of 2149968479 is about 1290.6565732037.

The spelling of 2149968479 in words is "two billion, one hundred forty-nine million, nine hundred sixty-eight thousand, four hundred seventy-nine".