4021430345407 has 2 divisors, whose sum is σ = 4021430345408. Its totient is φ = 4021430345406.

The previous prime is 4021430345389. The next prime is 4021430345431. The reversal of 4021430345407 is 7045430341204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4021430345407 - 2¹⁹ = 4021429821119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4021430342407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010715172703 + 2010715172704.

It is an arithmetic number, because the mean of its divisors is an integer number (2010715172704).

Almost surely, 2^{4021430345407} is an apocalyptic number.

4021430345407 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021430345407 is an equidigital number, since it uses as much as digits as its factorization.

4021430345407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 161280, while the sum is 37.

The spelling of 4021430345407 in words is "four trillion, twenty-one billion, four hundred thirty million, three hundred forty-five thousand, four hundred seven".