2070639145 has 16 divisors (see below), whose sum is σ = 2495050128. Its totient is φ = 1649674240.

The previous prime is 2070639119. The next prime is 2070639169. The reversal of 2070639145 is 5419360702.

It can be written as a sum of positive squares in 8 ways, for example, as 338081769 + 1732557376 = 18387^2 + 41624^2 .

It is not a de Polignac number, because 2070639145 - 2¹¹ = 2070637097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2118897 + ... + 2119873.

It is an arithmetic number, because the mean of its divisors is an integer number (155940633).

Almost surely, 2^2070639145 is an apocalyptic number.

It is an amenable number.

2070639145 is a deficient number, since it is larger than the sum of its proper divisors (424410983).

2070639145 is an equidigital number, since it uses as much as digits as its factorization.

2070639145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2300.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 2070639145 is about 45504.2761177452. The cubic root of 2070639145 is about 1274.5830537216.

Adding to 2070639145 its reverse (5419360702), we get a palindrome (7489999847).

The spelling of 2070639145 in words is "two billion, seventy million, six hundred thirty-nine thousand, one hundred forty-five".