2309853829 has 2 divisors, whose sum is σ = 2309853830. Its totient is φ = 2309853828.

The previous prime is 2309853827. The next prime is 2309853851. The reversal of 2309853829 is 9283589032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1457330625 + 852523204 = 38175^2 + 29198^2 .

It is a cyclic number.

It is not a de Polignac number, because 2309853829 - 2¹ = 2309853827 is a prime.

It is a super-2 number, since 2×2309853829² = 10670849422691922482, which contains 22 as substring.

Together with 2309853827, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2309853823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1154926914 + 1154926915.

It is an arithmetic number, because the mean of its divisors is an integer number (1154926915).

Almost surely, 2^2309853829 is an apocalyptic number.

It is an amenable number.

2309853829 is a deficient number, since it is larger than the sum of its proper divisors (1).

2309853829 is an equidigital number, since it uses as much as digits as its factorization.

2309853829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 933120, while the sum is 49.

The square root of 2309853829 is about 48060.9387028593. The cubic root of 2309853829 is about 1321.8885251791. Note that the first 3 decimals are identical.

The spelling of 2309853829 in words is "two billion, three hundred nine million, eight hundred fifty-three thousand, eight hundred twenty-nine".