2076397009 has 4 divisors (see below), whose sum is σ = 2076503040. Its totient is φ = 2076290980.

The previous prime is 2076397003. The next prime is 2076397021. The reversal of 2076397009 is 9007936702.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2076397009 - 2⁵ = 2076396977 is a prime.

It is a super-2 number, since 2×2076397009² = 8622849077968292162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2076397003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14137 + ... + 65974.

It is an arithmetic number, because the mean of its divisors is an integer number (519125760).

Almost surely, 2^2076397009 is an apocalyptic number.

It is an amenable number.

2076397009 is a deficient number, since it is larger than the sum of its proper divisors (106031).

2076397009 is an equidigital number, since it uses as much as digits as its factorization.

2076397009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106030.

The product of its (nonzero) digits is 142884, while the sum is 43.

The square root of 2076397009 is about 45567.4994815384. The cubic root of 2076397009 is about 1275.7633791199.

The spelling of 2076397009 in words is "two billion, seventy-six million, three hundred ninety-seven thousand, nine".