2339956729 has 4 divisors (see below), whose sum is σ = 2552680080. Its totient is φ = 2127233380.

The previous prime is 2339956699. The next prime is 2339956747. The reversal of 2339956729 is 9276599332.

It is a happy number.

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 2339956729 - 2¹⁵ = 2339923961 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2339956729.

It is not an unprimeable number, because it can be changed into a prime (2330956729) 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, 106361659 + ... + 106361680.

It is an arithmetic number, because the mean of its divisors is an integer number (638170020).

Almost surely, 2^2339956729 is an apocalyptic number.

It is an amenable number.

2339956729 is a deficient number, since it is larger than the sum of its proper divisors (212723351).

2339956729 is a wasteful number, since it uses less digits than its factorization.

2339956729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212723350.

The product of its digits is 5511240, while the sum is 55.

The square root of 2339956729 is about 48373.0992288069. The cubic root of 2339956729 is about 1327.6062108492.

The spelling of 2339956729 in words is "two billion, three hundred thirty-nine million, nine hundred fifty-six thousand, seven hundred twenty-nine".