2124036340645 has 32 divisors (see below), whose sum is σ = 2772315387648. Its totient is φ = 1557817671168.

The previous prime is 2124036340633. The next prime is 2124036340681. The reversal of 2124036340645 is 5460436304212.

It is a cyclic number.

It is not a de Polignac number, because 2124036340645 - 2¹¹ = 2124036338597 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2124036340598 and 2124036340607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3440184 + ... + 4010353.

It is an arithmetic number, because the mean of its divisors is an integer number (86634855864).

Almost surely, 2^{2124036340645} is an apocalyptic number.

It is an amenable number.

2124036340645 is a deficient number, since it is larger than the sum of its proper divisors (648279047003).

2124036340645 is a wasteful number, since it uses less digits than its factorization.

2124036340645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7450669.

The product of its (nonzero) digits is 414720, while the sum is 40.

The spelling of 2124036340645 in words is "two trillion, one hundred twenty-four billion, thirty-six million, three hundred forty thousand, six hundred forty-five".