2131285759 has 4 divisors (see below), whose sum is σ = 2155232880. Its totient is φ = 2107338640.

The previous prime is 2131285753. The next prime is 2131285763. The reversal of 2131285759 is 9575821312.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2131285759 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 (2131285753) 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, 11973427 + ... + 11973604.

It is an arithmetic number, because the mean of its divisors is an integer number (538808220).

Almost surely, 2^2131285759 is an apocalyptic number.

2131285759 is a deficient number, since it is larger than the sum of its proper divisors (23947121).

2131285759 is an equidigital number, since it uses as much as digits as its factorization.

2131285759 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23947120.

The product of its digits is 151200, while the sum is 43.

The square root of 2131285759 is about 46165.8505716076. The cubic root of 2131285759 is about 1286.9071911199.

The spelling of 2131285759 in words is "two billion, one hundred thirty-one million, two hundred eighty-five thousand, seven hundred fifty-nine".