2309549132 has 12 divisors (see below), whose sum is σ = 4409139336. Its totient is φ = 1049795040.

The previous prime is 2309549129. The next prime is 2309549149. The reversal of 2309549132 is 2319459032.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26244833 + ... + 26244920.

It is an arithmetic number, because the mean of its divisors is an integer number (367428278).

Almost surely, 2^2309549132 is an apocalyptic number.

2309549132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2309549132 is a deficient number, since it is larger than the sum of its proper divisors (2099590204).

2309549132 is a wasteful number, since it uses less digits than its factorization.

2309549132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52489768 (or 52489766 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 2309549132 is about 48057.7686956022. The cubic root of 2309549132 is about 1321.8303983871.

It can be divided in two parts, 23095 and 49132, that added together give a palindrome (72227).

The spelling of 2309549132 in words is "two billion, three hundred nine million, five hundred forty-nine thousand, one hundred thirty-two".