2076397021 has 2 divisors, whose sum is σ = 2076397022. Its totient is φ = 2076397020.

The previous prime is 2076397003. The next prime is 2076397027. The reversal of 2076397021 is 1207936702.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2013765625 + 62631396 = 44875^2 + 7914^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2076397021 is a prime.

It is a super-2 number, since 2×2076397021² = 8622849177635348882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2076397027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1038198510 + 1038198511.

It is an arithmetic number, because the mean of its divisors is an integer number (1038198511).

Almost surely, 2^2076397021 is an apocalyptic number.

It is an amenable number.

2076397021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2076397021 is an equidigital number, since it uses as much as digits as its factorization.

2076397021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 2076397021 is about 45567.4996132112. The cubic root of 2076397021 is about 1275.7633815775.

The spelling of 2076397021 in words is "two billion, seventy-six million, three hundred ninety-seven thousand, twenty-one".