2074529209 has 9 divisors (see below), whose sum is σ = 2133846351. Its totient is φ = 2016821160.

The previous prime is 2074529189. The next prime is 2074529309. The reversal of 2074529209 is 9029254702.

The square root of 2074529209 is 45547.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1856317225 + 218211984 = 43085^2 + 14772^2 .

It is not a de Polignac number, because 2074529209 - 2⁹ = 2074528697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2074529309) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1684624 + ... + 1685854.

It is an arithmetic number, because the mean of its divisors is an integer number (237094039).

Almost surely, 2^2074529209 is an apocalyptic number.

2074529209 is the 45547-th square number.

2074529209 is the 22774-th centered octagonal number.

It is an amenable number.

2074529209 is a deficient number, since it is larger than the sum of its proper divisors (59317142).

2074529209 is an frugal number, since it uses more digits than its factorization.

2074529209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2536 (or 1268 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The cubic root of 2074529209 is about 1275.3807314082.

The spelling of 2074529209 in words is "two billion, seventy-four million, five hundred twenty-nine thousand, two hundred nine".