421948801 has 4 divisors (see below), whose sum is σ = 422910400. Its totient is φ = 420987204.

The previous prime is 421948799. The next prime is 421948831. The reversal of 421948801 is 108849124.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 421948801 - 2¹ = 421948799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421948831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 480141 + ... + 481018.

It is an arithmetic number, because the mean of its divisors is an integer number (105727600).

Almost surely, 2^421948801 is an apocalyptic number.

It is an amenable number.

421948801 is a deficient number, since it is larger than the sum of its proper divisors (961599).

421948801 is an equidigital number, since it uses as much as digits as its factorization.

421948801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961598.

The product of its (nonzero) digits is 18432, while the sum is 37.

The square root of 421948801 is about 20541.3923822121. The cubic root of 421948801 is about 750.0437313760.

The spelling of 421948801 in words is "four hundred twenty-one million, nine hundred forty-eight thousand, eight hundred one".