2312009529 has 4 divisors (see below), whose sum is σ = 3082679376. Its totient is φ = 1541339684.

The previous prime is 2312009527. The next prime is 2312009569. The reversal of 2312009529 is 9259002132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2312009529 - 2¹ = 2312009527 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2312009529.

It is not an unprimeable number, because it can be changed into a prime (2312009521) 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, 385334919 + ... + 385334924.

It is an arithmetic number, because the mean of its divisors is an integer number (770669844).

Almost surely, 2^2312009529 is an apocalyptic number.

It is an amenable number.

2312009529 is a deficient number, since it is larger than the sum of its proper divisors (770669847).

2312009529 is an equidigital number, since it uses as much as digits as its factorization.

2312009529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770669846.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 2312009529 is about 48083.3602091202. The cubic root of 2312009529 is about 1322.2996203234.

The spelling of 2312009529 in words is "two billion, three hundred twelve million, nine thousand, five hundred twenty-nine".