4021234013 has 2 divisors, whose sum is σ = 4021234014. Its totient is φ = 4021234012.

The previous prime is 4021233977. The next prime is 4021234051. The reversal of 4021234013 is 3104321204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2652456004 + 1368778009 = 51502^2 + 36997^2 .

It is a cyclic number.

It is not a de Polignac number, because 4021234013 - 2¹⁶ = 4021168477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4021234513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010617006 + 2010617007.

It is an arithmetic number, because the mean of its divisors is an integer number (2010617007).

Almost surely, 2^4021234013 is an apocalyptic number.

It is an amenable number.

4021234013 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021234013 is an equidigital number, since it uses as much as digits as its factorization.

4021234013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 4021234013 is about 63413.2006210063. The cubic root of 4021234013 is about 1590.2050040906.

Adding to 4021234013 its reverse (3104321204), we get a palindrome (7125555217).

The spelling of 4021234013 in words is "four billion, twenty-one million, two hundred thirty-four thousand, thirteen".