2030071909 has 8 divisors (see below), whose sum is σ = 2084687640. Its totient is φ = 1975699200.

The previous prime is 2030071907. The next prime is 2030071937. The reversal of 2030071909 is 9091700302.

It can be written as a sum of positive squares in 4 ways, for example, as 422302500 + 1607769409 = 20550^2 + 40097^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2030071909 - 2¹ = 2030071907 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2030071903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43762 + ... + 77299.

It is an arithmetic number, because the mean of its divisors is an integer number (260585955).

Almost surely, 2^2030071909 is an apocalyptic number.

It is an amenable number.

2030071909 is a deficient number, since it is larger than the sum of its proper divisors (54615731).

2030071909 is a wasteful number, since it uses less digits than its factorization.

2030071909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121511.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 2030071909 is about 45056.3193015142. The cubic root of 2030071909 is about 1266.2043676359.

The spelling of 2030071909 in words is "two billion, thirty million, seventy-one thousand, nine hundred nine".