2060397509 has 4 divisors (see below), whose sum is σ = 2060865900. Its totient is φ = 2059929120.

The previous prime is 2060397491. The next prime is 2060397517. The reversal of 2060397509 is 9057930602.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 254402500 + 1805995009 = 15950^2 + 42497^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2060397509 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 (2060397529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227534 + ... + 236415.

It is an arithmetic number, because the mean of its divisors is an integer number (515216475).

Almost surely, 2^2060397509 is an apocalyptic number.

It is an amenable number.

2060397509 is a deficient number, since it is larger than the sum of its proper divisors (468391).

2060397509 is an equidigital number, since it uses as much as digits as its factorization.

2060397509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468390.

The product of its (nonzero) digits is 102060, while the sum is 41.

The square root of 2060397509 is about 45391.6017452568. The cubic root of 2060397509 is about 1272.4781646779.

The spelling of 2060397509 in words is "two billion, sixty million, three hundred ninety-seven thousand, five hundred nine".