4021430000009 has 2 divisors, whose sum is σ = 4021430000010. Its totient is φ = 4021430000008.

The previous prime is 4021429999991. The next prime is 4021430000041. The reversal of 4021430000009 is 9000000341204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3985433286025 + 35996713984 = 1996355^2 + 189728^2 .

It is a cyclic number.

It is not a de Polignac number, because 4021430000009 - 2²⁴ = 4021413222793 is a prime.

It is not a weakly prime, because it can be changed into another prime (4021430060009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010715000004 + 2010715000005.

It is an arithmetic number, because the mean of its divisors is an integer number (2010715000005).

Almost surely, 2^{4021430000009} is an apocalyptic number.

It is an amenable number.

4021430000009 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021430000009 is an equidigital number, since it uses as much as digits as its factorization.

4021430000009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The spelling of 4021430000009 in words is "four trillion, twenty-one billion, four hundred thirty million, nine", and thus it is an aban number.