2108748179947 has 16 divisors (see below), whose sum is σ = 2292766156800. Its totient is φ = 1932113589120.

The previous prime is 2108748179927. The next prime is 2108748179959. The reversal of 2108748179947 is 7499718478012.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2108748179947 is a prime.

It is a super-3 number, since 3×2108748179947³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2108748179927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167422 + ... + 2060467.

It is an arithmetic number, because the mean of its divisors is an integer number (143297884800).

Almost surely, 2^{2108748179947} is an apocalyptic number.

2108748179947 is a deficient number, since it is larger than the sum of its proper divisors (184017976853).

2108748179947 is a wasteful number, since it uses less digits than its factorization.

2108748179947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2229546.

The product of its (nonzero) digits is 56899584, while the sum is 67.

The spelling of 2108748179947 in words is "two trillion, one hundred eight billion, seven hundred forty-eight million, one hundred seventy-nine thousand, nine hundred forty-seven".