2076980921 has 2 divisors, whose sum is σ = 2076980922. Its totient is φ = 2076980920.

The previous prime is 2076980909. The next prime is 2076980929. The reversal of 2076980921 is 1290896702.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1719014521 + 357966400 = 41461^2 + 18920^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2076980921 is a prime.

It is not a weakly prime, because it can be changed into another prime (2076980929) 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 as a sum of consecutive naturals, namely, 1038490460 + 1038490461.

It is an arithmetic number, because the mean of its divisors is an integer number (1038490461).

Almost surely, 2^2076980921 is an apocalyptic number.

It is an amenable number.

2076980921 is a deficient number, since it is larger than the sum of its proper divisors (1).

2076980921 is an equidigital number, since it uses as much as digits as its factorization.

2076980921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 2076980921 is about 45573.9061415631. The cubic root of 2076980921 is about 1275.8829554381.

The spelling of 2076980921 in words is "two billion, seventy-six million, nine hundred eighty thousand, nine hundred twenty-one".