2070201649 has 2 divisors, whose sum is σ = 2070201650. Its totient is φ = 2070201648.

The previous prime is 2070201647. The next prime is 2070201701. The reversal of 2070201649 is 9461020702.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1602561024 + 467640625 = 40032^2 + 21625^2 .

It is a cyclic number.

It is not a de Polignac number, because 2070201649 - 2¹ = 2070201647 is a prime.

Together with 2070201647, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2070201649.

It is not a weakly prime, because it can be changed into another prime (2070201647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1035100824 + 1035100825.

It is an arithmetic number, because the mean of its divisors is an integer number (1035100825).

Almost surely, 2^2070201649 is an apocalyptic number.

It is an amenable number.

2070201649 is a deficient number, since it is larger than the sum of its proper divisors (1).

2070201649 is an equidigital number, since it uses as much as digits as its factorization.

2070201649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 2070201649 is about 45499.4686672273. The cubic root of 2070201649 is about 1274.4932804316.

The spelling of 2070201649 in words is "two billion, seventy million, two hundred one thousand, six hundred forty-nine".