2125840673 has 8 divisors (see below), whose sum is σ = 2319515616. Its totient is φ = 1932235200.

The previous prime is 2125840649. The next prime is 2125840721. The reversal of 2125840673 is 3760485212.

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 2125840673 - 2⁶ = 2125840609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2125840603) 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, 62690 + ... + 90452.

It is an arithmetic number, because the mean of its divisors is an integer number (289939452).

Almost surely, 2^2125840673 is an apocalyptic number.

It is an amenable number.

2125840673 is a deficient number, since it is larger than the sum of its proper divisors (193674943).

2125840673 is a wasteful number, since it uses less digits than its factorization.

2125840673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34735.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 2125840673 is about 46106.8397637487. The cubic root of 2125840673 is about 1285.8103107816.

The spelling of 2125840673 in words is "two billion, one hundred twenty-five million, eight hundred forty thousand, six hundred seventy-three".