2309046439 has 16 divisors (see below), whose sum is σ = 2817976320. Its totient is φ = 1849286880.

The previous prime is 2309046431. The next prime is 2309046461. The reversal of 2309046439 is 9346409032.

It is not a de Polignac number, because 2309046439 - 2³ = 2309046431 is a prime.

It is a super-3 number, since 3×2309046439³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2309046431) 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, 177169 + ... + 189754.

It is an arithmetic number, because the mean of its divisors is an integer number (176123520).

Almost surely, 2^2309046439 is an apocalyptic number.

2309046439 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

2309046439 is a deficient number, since it is larger than the sum of its proper divisors (508929881).

2309046439 is a wasteful number, since it uses less digits than its factorization.

2309046439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366990.

The product of its (nonzero) digits is 139968, while the sum is 40.

The square root of 2309046439 is about 48052.5383200513. The cubic root of 2309046439 is about 1321.7344888876.

The spelling of 2309046439 in words is "two billion, three hundred nine million, forty-six thousand, four hundred thirty-nine".