2329948581 has 4 divisors (see below), whose sum is σ = 3106598112. Its totient is φ = 1553299052.

The previous prime is 2329948547. The next prime is 2329948589. The reversal of 2329948581 is 1858499232.

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 2329948581 - 2¹⁵ = 2329915813 is a prime.

It is a super-2 number, since 2×2329948581² = 10857320780207827122, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2329948589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 388324761 + ... + 388324766.

It is an arithmetic number, because the mean of its divisors is an integer number (776649528).

Almost surely, 2^2329948581 is an apocalyptic number.

It is an amenable number.

2329948581 is a deficient number, since it is larger than the sum of its proper divisors (776649531).

2329948581 is an equidigital number, since it uses as much as digits as its factorization.

2329948581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776649530.

The product of its digits is 1244160, while the sum is 51.

The square root of 2329948581 is about 48269.5409238580. The cubic root of 2329948581 is about 1325.7107530728.

The spelling of 2329948581 in words is "two billion, three hundred twenty-nine million, nine hundred forty-eight thousand, five hundred eighty-one".