2329821957 has 16 divisors (see below), whose sum is σ = 3293307392. Its totient is φ = 1462484160.

The previous prime is 2329821953. The next prime is 2329821997. The reversal of 2329821957 is 7591289232.

It is not a de Polignac number, because 2329821957 - 2² = 2329821953 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2329821953) 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, 335098 + ... + 341979.

It is an arithmetic number, because the mean of its divisors is an integer number (205831712).

Almost surely, 2^2329821957 is an apocalyptic number.

It is an amenable number.

2329821957 is a deficient number, since it is larger than the sum of its proper divisors (963485435).

2329821957 is a wasteful number, since it uses less digits than its factorization.

2329821957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677148.

The product of its digits is 544320, while the sum is 48.

The square root of 2329821957 is about 48268.2292714369. The cubic root of 2329821957 is about 1325.6867368290.

The spelling of 2329821957 in words is "two billion, three hundred twenty-nine million, eight hundred twenty-one thousand, nine hundred fifty-seven".