2131285763 has 2 divisors, whose sum is σ = 2131285764. Its totient is φ = 2131285762.

The previous prime is 2131285753. The next prime is 2131285781. The reversal of 2131285763 is 3675821312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2131285763 - 2⁴ = 2131285747 is a prime.

It is not a weakly prime, because it can be changed into another prime (2131285753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065642881 + 1065642882.

It is an arithmetic number, because the mean of its divisors is an integer number (1065642882).

Almost surely, 2^2131285763 is an apocalyptic number.

2131285763 is a deficient number, since it is larger than the sum of its proper divisors (1).

2131285763 is an equidigital number, since it uses as much as digits as its factorization.

2131285763 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 38.

The square root of 2131285763 is about 46165.8506149296. The cubic root of 2131285763 is about 1286.9071919250.

The spelling of 2131285763 in words is "two billion, one hundred thirty-one million, two hundred eighty-five thousand, seven hundred sixty-three".