2073921409 has 16 divisors (see below), whose sum is σ = 2570835456. Its totient is φ = 1632268800.

The previous prime is 2073921407. The next prime is 2073921419. The reversal of 2073921409 is 9041293702.

It is a cyclic number.

It is not a de Polignac number, because 2073921409 - 2¹ = 2073921407 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2073921407) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 207657 + ... + 217414.

It is an arithmetic number, because the mean of its divisors is an integer number (160677216).

Almost surely, 2^2073921409 is an apocalyptic number.

It is an amenable number.

2073921409 is a deficient number, since it is larger than the sum of its proper divisors (496914047).

2073921409 is a wasteful number, since it uses less digits than its factorization.

2073921409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425136.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 2073921409 is about 45540.3272825306. The cubic root of 2073921409 is about 1275.2561646516.

The spelling of 2073921409 in words is "two billion, seventy-three million, nine hundred twenty-one thousand, four hundred nine".