2070523009 has 3 divisors (see below), whose sum is σ = 2070568513. Its totient is φ = 2070477506.

The previous prime is 2070522991. The next prime is 2070523019. The reversal of 2070523009 is 9003250702.

The square root of 2070523009 is 45503.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 2070523009 - 2²⁹ = 1533652097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2070523019) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 22752 + ... + 68254.

Almost surely, 2^2070523009 is an apocalyptic number.

2070523009 is the 45503-rd square number.

2070523009 is the 22752-nd centered octagonal number.

It is an amenable number.

2070523009 is a deficient number, since it is larger than the sum of its proper divisors (45504).

2070523009 is an frugal number, since it uses more digits than its factorization.

2070523009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91006 (or 45503 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 28.

The cubic root of 2070523009 is about 1274.5592240834.

The spelling of 2070523009 in words is "two billion, seventy million, five hundred twenty-three thousand, nine".