421432503419 has 2 divisors, whose sum is σ = 421432503420. Its totient is φ = 421432503418.

The previous prime is 421432503379. The next prime is 421432503449. The reversal of 421432503419 is 914305234124.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 421432503419 - 2²⁴ = 421415726203 is a prime.

It is a super-2 number, since 2×421432503419² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (421432503449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210716251709 + 210716251710.

It is an arithmetic number, because the mean of its divisors is an integer number (210716251710).

Almost surely, 2^421432503419 is an apocalyptic number.

421432503419 is a deficient number, since it is larger than the sum of its proper divisors (1).

421432503419 is an equidigital number, since it uses as much as digits as its factorization.

421432503419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 421432503419 in words is "four hundred twenty-one billion, four hundred thirty-two million, five hundred three thousand, four hundred nineteen".