2070371621 has 2 divisors, whose sum is σ = 2070371622. Its totient is φ = 2070371620.

The previous prime is 2070371603. The next prime is 2070371647. The reversal of 2070371621 is 1261730702.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1150159396 + 920212225 = 33914^2 + 30335^2 .

It is a cyclic number.

It is not a de Polignac number, because 2070371621 - 2⁶ = 2070371557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2070341621) 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, 1035185810 + 1035185811.

It is an arithmetic number, because the mean of its divisors is an integer number (1035185811).

Almost surely, 2^2070371621 is an apocalyptic number.

It is an amenable number.

2070371621 is a deficient number, since it is larger than the sum of its proper divisors (1).

2070371621 is an equidigital number, since it uses as much as digits as its factorization.

2070371621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 2070371621 is about 45501.3364748773. The cubic root of 2070371621 is about 1274.5281598428.

The spelling of 2070371621 in words is "two billion, seventy million, three hundred seventy-one thousand, six hundred twenty-one".