2127694745 has 8 divisors (see below), whose sum is σ = 2785345920. Its totient is φ = 1547414320.

The previous prime is 2127694717. The next prime is 2127694753. The reversal of 2127694745 is 5474967212.

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

It is not a de Polignac number, because 2127694745 - 2⁸ = 2127694489 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 2127694745.

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 7 ways as a sum of consecutive naturals, for example, 19342625 + ... + 19342734.

It is an arithmetic number, because the mean of its divisors is an integer number (348168240).

Almost surely, 2^2127694745 is an apocalyptic number.

It is an amenable number.

2127694745 is a deficient number, since it is larger than the sum of its proper divisors (657651175).

2127694745 is a wasteful number, since it uses less digits than its factorization.

2127694745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38685375.

The product of its digits is 846720, while the sum is 47.

The square root of 2127694745 is about 46126.9416393500. The cubic root of 2127694745 is about 1286.1840126915.

The spelling of 2127694745 in words is "two billion, one hundred twenty-seven million, six hundred ninety-four thousand, seven hundred forty-five".