4021432413899 has 2 divisors, whose sum is σ = 4021432413900. Its totient is φ = 4021432413898.

The previous prime is 4021432413883. The next prime is 4021432413917. The reversal of 4021432413899 is 9983142341204.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4021432413899 - 2⁴ = 4021432413883 is a prime.

It is not a weakly prime, because it can be changed into another prime (4021432413829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010716206949 + 2010716206950.

It is an arithmetic number, because the mean of its divisors is an integer number (2010716206950).

Almost surely, 2^{4021432413899} is an apocalyptic number.

4021432413899 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021432413899 is an equidigital number, since it uses as much as digits as its factorization.

4021432413899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1492992, while the sum is 50.

The spelling of 4021432413899 in words is "four trillion, twenty-one billion, four hundred thirty-two million, four hundred thirteen thousand, eight hundred ninety-nine".