2070985447 has 4 divisors (see below), whose sum is σ = 2073773520. Its totient is φ = 2068197376.

The previous prime is 2070985421. The next prime is 2070985451. The reversal of 2070985447 is 7445890702.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2070985447 - 2²⁷ = 1936767719 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2070985397 and 2070985406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2070985457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1392922 + ... + 1394407.

It is an arithmetic number, because the mean of its divisors is an integer number (518443380).

Almost surely, 2^2070985447 is an apocalyptic number.

2070985447 is a deficient number, since it is larger than the sum of its proper divisors (2788073).

2070985447 is an equidigital number, since it uses as much as digits as its factorization.

2070985447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2788072.

The product of its (nonzero) digits is 564480, while the sum is 46.

The square root of 2070985447 is about 45508.0811175334. The cubic root of 2070985447 is about 1274.6541052223.

The spelling of 2070985447 in words is "two billion, seventy million, nine hundred eighty-five thousand, four hundred forty-seven".