4021403432087 has 2 divisors, whose sum is σ = 4021403432088. Its totient is φ = 4021403432086.

The previous prime is 4021403432041. The next prime is 4021403432093. The reversal of 4021403432087 is 7802343041204.

It is a happy number.

4021403432087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4021403432087 - 2²⁶ = 4021336323223 is a prime.

It is a super-2 number, since 2×4021403432087² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4021403432087.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4021403482087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010701716043 + 2010701716044.

It is an arithmetic number, because the mean of its divisors is an integer number (2010701716044).

Almost surely, 2^{4021403432087} is an apocalyptic number.

4021403432087 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021403432087 is an equidigital number, since it uses as much as digits as its factorization.

4021403432087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129024, while the sum is 38.

The spelling of 4021403432087 in words is "four trillion, twenty-one billion, four hundred three million, four hundred thirty-two thousand, eighty-seven".