2070065651 has 4 divisors (see below), whose sum is σ = 2091406632. Its totient is φ = 2048724672.

The previous prime is 2070065611. The next prime is 2070065671. The reversal of 2070065651 is 1565600702.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1565600702 = 2 ⋅782800351.

It is a cyclic number.

It is not a de Polignac number, because 2070065651 - 2¹⁰ = 2070064627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2070065611) 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 in 3 ways as a sum of consecutive naturals, for example, 10670345 + ... + 10670538.

It is an arithmetic number, because the mean of its divisors is an integer number (522851658).

Almost surely, 2^2070065651 is an apocalyptic number.

2070065651 is a deficient number, since it is larger than the sum of its proper divisors (21340981).

2070065651 is an equidigital number, since it uses as much as digits as its factorization.

2070065651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21340980.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 2070065651 is about 45497.9741417132. The cubic root of 2070065651 is about 1274.4653713416.

The spelling of 2070065651 in words is "two billion, seventy million, sixty-five thousand, six hundred fifty-one".