4020051173 has 2 divisors, whose sum is σ = 4020051174. Its totient is φ = 4020051172.

The previous prime is 4020051163. The next prime is 4020051229. The reversal of 4020051173 is 3711500204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4019306404 + 744769 = 63398^2 + 863^2 .

It is a cyclic number.

It is not a de Polignac number, because 4020051173 - 2⁴ = 4020051157 is a prime.

It is a super-2 number, since 2×4020051173² = 32321622867077351858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4020051163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010025586 + 2010025587.

It is an arithmetic number, because the mean of its divisors is an integer number (2010025587).

Almost surely, 2^4020051173 is an apocalyptic number.

It is an amenable number.

4020051173 is a deficient number, since it is larger than the sum of its proper divisors (1).

4020051173 is an equidigital number, since it uses as much as digits as its factorization.

4020051173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 4020051173 is about 63403.8734857737. The cubic root of 4020051173 is about 1590.0490699886.

Adding to 4020051173 its reverse (3711500204), we get a palindrome (7731551377).

The spelling of 4020051173 in words is "four billion, twenty million, fifty-one thousand, one hundred seventy-three".