2070720651 has 24 divisors (see below), whose sum is σ = 2845786944. Its totient is φ = 1339299360.

The previous prime is 2070720647. The next prime is 2070720661. The reversal of 2070720651 is 1560270702.

It is not a de Polignac number, because 2070720651 - 2² = 2070720647 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2070720661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2344656 + ... + 2345538.

It is an arithmetic number, because the mean of its divisors is an integer number (118574456).

Almost surely, 2^2070720651 is an apocalyptic number.

2070720651 is a deficient number, since it is larger than the sum of its proper divisors (775066293).

2070720651 is an equidigital number, since it uses as much as digits as its factorization.

2070720651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1531 (or 1494 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 2070720651 is about 45505.1716950942. The cubic root of 2070720651 is about 1274.5997771897.

The spelling of 2070720651 in words is "two billion, seventy million, seven hundred twenty thousand, six hundred fifty-one".