4020234454129 has 2 divisors, whose sum is σ = 4020234454130. Its totient is φ = 4020234454128.

The previous prime is 4020234454099. The next prime is 4020234454141. The reversal of 4020234454129 is 9214544320204.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3971989210225 + 48245243904 = 1992985^2 + 219648^2 .

It is a cyclic number.

It is not a de Polignac number, because 4020234454129 - 2⁷ = 4020234454001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4020234454091 and 4020234454100.

It is not a weakly prime, because it can be changed into another prime (4020234454189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010117227064 + 2010117227065.

It is an arithmetic number, because the mean of its divisors is an integer number (2010117227065).

Almost surely, 2^{4020234454129} is an apocalyptic number.

It is an amenable number.

4020234454129 is a deficient number, since it is larger than the sum of its proper divisors (1).

4020234454129 is an equidigital number, since it uses as much as digits as its factorization.

4020234454129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 276480, while the sum is 40.

The spelling of 4020234454129 in words is "four trillion, twenty billion, two hundred thirty-four million, four hundred fifty-four thousand, one hundred twenty-nine".