4020722813 has 2 divisors, whose sum is σ = 4020722814. Its totient is φ = 4020722812.

The previous prime is 4020722807. The next prime is 4020722899. The reversal of 4020722813 is 3182270204.

4020722813 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3323868409 + 696854404 = 57653^2 + 26398^2 .

It is a cyclic number.

It is not a de Polignac number, because 4020722813 - 2⁶ = 4020722749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4020722213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010361406 + 2010361407.

It is an arithmetic number, because the mean of its divisors is an integer number (2010361407).

Almost surely, 2^4020722813 is an apocalyptic number.

It is an amenable number.

4020722813 is a deficient number, since it is larger than the sum of its proper divisors (1).

4020722813 is an equidigital number, since it uses as much as digits as its factorization.

4020722813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 4020722813 is about 63409.1697863960. The cubic root of 4020722813 is about 1590.1376162153.

The spelling of 4020722813 in words is "four billion, twenty million, seven hundred twenty-two thousand, eight hundred thirteen".