2291286529 has 16 divisors (see below), whose sum is σ = 2630545920. Its totient is φ = 1955036160.

The previous prime is 2291286523. The next prime is 2291286553. The reversal of 2291286529 is 9256821922.

It is not a de Polignac number, because 2291286529 - 2¹¹ = 2291284481 is a prime.

It is a Duffinian number.

Its product of digits (311040) is a multiple of the sum of its prime divisors (2160).

It is not an unprimeable number, because it can be changed into a prime (2291286523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2465937 + ... + 2466865.

It is an arithmetic number, because the mean of its divisors is an integer number (164409120).

Almost surely, 2^2291286529 is an apocalyptic number.

It is an amenable number.

2291286529 is a deficient number, since it is larger than the sum of its proper divisors (339259391).

2291286529 is an equidigital number, since it uses as much as digits as its factorization.

2291286529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2160.

The product of its digits is 311040, while the sum is 46.

The square root of 2291286529 is about 47867.3848147149. The cubic root of 2291286529 is about 1318.3370796975.

The spelling of 2291286529 in words is "two billion, two hundred ninety-one million, two hundred eighty-six thousand, five hundred twenty-nine".