2021300929 has 2 divisors, whose sum is σ = 2021300930. Its totient is φ = 2021300928.

The previous prime is 2021300923. The next prime is 2021300989. The reversal of 2021300929 is 9290031202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1077152400 + 944148529 = 32820^2 + 30727^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2021300929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2021300897 and 2021300906.

It is not a weakly prime, because it can be changed into another prime (2021300923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010650464 + 1010650465.

It is an arithmetic number, because the mean of its divisors is an integer number (1010650465).

Almost surely, 2^2021300929 is an apocalyptic number.

It is an amenable number.

2021300929 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021300929 is an equidigital number, since it uses as much as digits as its factorization.

2021300929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 2021300929 is about 44958.8804242276. The cubic root of 2021300929 is about 1264.3781784557.

The spelling of 2021300929 in words is "two billion, twenty-one million, three hundred thousand, nine hundred twenty-nine".