2173928353 has 2 divisors, whose sum is σ = 2173928354. Its totient is φ = 2173928352.

The previous prime is 2173928321. The next prime is 2173928357. The reversal of 2173928353 is 3538293712.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1744899984 + 429028369 = 41772^2 + 20713^2 .

It is a cyclic number.

It is not a de Polignac number, because 2173928353 - 2⁵ = 2173928321 is a prime.

It is not a weakly prime, because it can be changed into another prime (2173928357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1086964176 + 1086964177.

It is an arithmetic number, because the mean of its divisors is an integer number (1086964177).

Almost surely, 2^2173928353 is an apocalyptic number.

It is an amenable number.

2173928353 is a deficient number, since it is larger than the sum of its proper divisors (1).

2173928353 is an equidigital number, since it uses as much as digits as its factorization.

2173928353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 43.

The square root of 2173928353 is about 46625.4045880569. The cubic root of 2173928353 is about 1295.4333563551.

The spelling of 2173928353 in words is "two billion, one hundred seventy-three million, nine hundred twenty-eight thousand, three hundred fifty-three".