4021402412029 has 2 divisors, whose sum is σ = 4021402412030. Its totient is φ = 4021402412028.

The previous prime is 4021402412021. The next prime is 4021402412033. The reversal of 4021402412029 is 9202142041204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4020333775929 + 1068636100 = 2005077^2 + 32690^2 .

It is a cyclic number.

It is not a de Polignac number, because 4021402412029 - 2³ = 4021402412021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4021402412021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010701206014 + 2010701206015.

It is an arithmetic number, because the mean of its divisors is an integer number (2010701206015).

Almost surely, 2^{4021402412029} is an apocalyptic number.

It is an amenable number.

4021402412029 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021402412029 is an equidigital number, since it uses as much as digits as its factorization.

4021402412029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 31.

The spelling of 4021402412029 in words is "four trillion, twenty-one billion, four hundred two million, four hundred twelve thousand, twenty-nine".