421053419 has 4 divisors (see below), whose sum is σ = 423190944. Its totient is φ = 418915896.

The previous prime is 421053403. The next prime is 421053427. The reversal of 421053419 is 914350124.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 421053419 - 2⁴ = 421053403 is a prime.

It is a super-2 number, since 2×421053419² = 354571963303179122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 421053391 and 421053400.

It is not an unprimeable number, because it can be changed into a prime (421053449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1068467 + ... + 1068860.

It is an arithmetic number, because the mean of its divisors is an integer number (105797736).

Almost surely, 2^421053419 is an apocalyptic number.

421053419 is a deficient number, since it is larger than the sum of its proper divisors (2137525).

421053419 is a wasteful number, since it uses less digits than its factorization.

421053419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2137524.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 421053419 is about 20519.5862287718. The cubic root of 421053419 is about 749.5128207956.

The spelling of 421053419 in words is "four hundred twenty-one million, fifty-three thousand, four hundred nineteen".