2083712509 has 2 divisors, whose sum is σ = 2083712510. Its totient is φ = 2083712508.

The previous prime is 2083712503. The next prime is 2083712549. The reversal of 2083712509 is 9052173802.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1995408900 + 88303609 = 44670^2 + 9397^2 .

It is a cyclic number.

It is not a de Polignac number, because 2083712509 - 2⁹ = 2083711997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2083712503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1041856254 + 1041856255.

It is an arithmetic number, because the mean of its divisors is an integer number (1041856255).

Almost surely, 2^2083712509 is an apocalyptic number.

It is an amenable number.

2083712509 is a deficient number, since it is larger than the sum of its proper divisors (1).

2083712509 is an equidigital number, since it uses as much as digits as its factorization.

2083712509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 2083712509 is about 45647.6999311028. The cubic root of 2083712509 is about 1277.2598668595.

The spelling of 2083712509 in words is "two billion, eighty-three million, seven hundred twelve thousand, five hundred nine".