2046731509 has 8 divisors (see below), whose sum is σ = 2155387040. Its totient is φ = 1938169296.

The previous prime is 2046731503. The next prime is 2046731537. The reversal of 2046731509 is 9051376402.

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 2046731509 - 2¹³ = 2046723317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2046731503) 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, 24202 + ... + 68404.

It is an arithmetic number, because the mean of its divisors is an integer number (269423380).

Almost surely, 2^2046731509 is an apocalyptic number.

It is an amenable number.

2046731509 is a deficient number, since it is larger than the sum of its proper divisors (108655531).

2046731509 is a wasteful number, since it uses less digits than its factorization.

2046731509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46659.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 2046731509 is about 45240.8168471791. The cubic root of 2046731509 is about 1269.6585994105.

The spelling of 2046731509 in words is "two billion, forty-six million, seven hundred thirty-one thousand, five hundred nine".