2109703679 has 8 divisors (see below), whose sum is σ = 2122030848. Its totient is φ = 2097390240.

The previous prime is 2109703657. The next prime is 2109703691. The reversal of 2109703679 is 9763079012.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2109703679 - 2²⁴ = 2092926463 is a prime.

It is a super-2 number, since 2×2109703679² = 8901699226372270082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2109703619) 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, 578249 + ... + 581885.

It is an arithmetic number, because the mean of its divisors is an integer number (265253856).

Almost surely, 2^2109703679 is an apocalyptic number.

2109703679 is a deficient number, since it is larger than the sum of its proper divisors (12327169).

2109703679 is a wasteful number, since it uses less digits than its factorization.

2109703679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6865.

The product of its (nonzero) digits is 142884, while the sum is 44.

The square root of 2109703679 is about 45931.5107415378. The cubic root of 2109703679 is about 1282.5485678884.

The spelling of 2109703679 in words is "two billion, one hundred nine million, seven hundred three thousand, six hundred seventy-nine".