421149835 has 4 divisors (see below), whose sum is σ = 505379808. Its totient is φ = 336919864.

The previous prime is 421149811. The next prime is 421149851. The reversal of 421149835 is 538941124.

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 421149835 - 2¹⁹ = 420625547 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 421149794 and 421149803.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42114979 + ... + 42114988.

It is an arithmetic number, because the mean of its divisors is an integer number (126344952).

Almost surely, 2^421149835 is an apocalyptic number.

421149835 is a deficient number, since it is larger than the sum of its proper divisors (84229973).

421149835 is an equidigital number, since it uses as much as digits as its factorization.

421149835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84229972.

The product of its digits is 34560, while the sum is 37.

The square root of 421149835 is about 20521.9354594054. The cubic root of 421149835 is about 749.5700261363.

The spelling of 421149835 in words is "four hundred twenty-one million, one hundred forty-nine thousand, eight hundred thirty-five".