2072609459 has 4 divisors (see below), whose sum is σ = 2072776104. Its totient is φ = 2072442816.

The previous prime is 2072609449. The next prime is 2072609489. The reversal of 2072609459 is 9549062702.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2072609459 - 2⁴ = 2072609443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2072609449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63017 + ... + 90090.

It is an arithmetic number, because the mean of its divisors is an integer number (518194026).

Almost surely, 2^2072609459 is an apocalyptic number.

2072609459 is a deficient number, since it is larger than the sum of its proper divisors (166645).

2072609459 is a wasteful number, since it uses less digits than its factorization.

2072609459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166644.

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 2072609459 is about 45525.9207375315. The cubic root of 2072609459 is about 1274.9872015119.

The spelling of 2072609459 in words is "two billion, seventy-two million, six hundred nine thousand, four hundred fifty-nine".