2046511259 has 4 divisors (see below), whose sum is σ = 2203935216. Its totient is φ = 1889087304.

The previous prime is 2046511241. The next prime is 2046511267. The reversal of 2046511259 is 9521156402.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-2046511259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2046511279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78711959 + ... + 78711984.

It is an arithmetic number, because the mean of its divisors is an integer number (550983804).

Almost surely, 2^2046511259 is an apocalyptic number.

2046511259 is a deficient number, since it is larger than the sum of its proper divisors (157423957).

2046511259 is a wasteful number, since it uses less digits than its factorization.

2046511259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157423956.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 2046511259 is about 45238.3825860298. The cubic root of 2046511259 is about 1269.6130548701.

The spelling of 2046511259 in words is "two billion, forty-six million, five hundred eleven thousand, two hundred fifty-nine".