2070971021 has 8 divisors (see below), whose sum is σ = 2376035520. Its totient is φ = 1768209408.

The previous prime is 2070971003. The next prime is 2070971033. The reversal of 2070971021 is 1201790702.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2070971021 - 2¹⁸ = 2070708877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2070971321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 573791 + ... + 577388.

It is an arithmetic number, because the mean of its divisors is an integer number (297004440).

Almost surely, 2^2070971021 is an apocalyptic number.

It is an amenable number.

2070971021 is a deficient number, since it is larger than the sum of its proper divisors (305064499).

2070971021 is a wasteful number, since it uses less digits than its factorization.

2070971021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151443.

The product of its (nonzero) digits is 1764, while the sum is 29.

The square root of 2070971021 is about 45507.9226179354. The cubic root of 2070971021 is about 1274.6511455681.

The spelling of 2070971021 in words is "two billion, seventy million, nine hundred seventy-one thousand, twenty-one".