421884503401 has 4 divisors (see below), whose sum is σ = 421982008192. Its totient is φ = 421786998612.

The previous prime is 421884503371. The next prime is 421884503407. The reversal of 421884503401 is 104305488124.

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 421884503401 - 2⁹ = 421884502889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421884503407) 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, 48745905 + ... + 48754558.

It is an arithmetic number, because the mean of its divisors is an integer number (105495502048).

Almost surely, 2^421884503401 is an apocalyptic number.

It is an amenable number.

421884503401 is a deficient number, since it is larger than the sum of its proper divisors (97504791).

421884503401 is an equidigital number, since it uses as much as digits as its factorization.

421884503401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97504790.

The product of its (nonzero) digits is 122880, while the sum is 40.

The spelling of 421884503401 in words is "four hundred twenty-one billion, eight hundred eighty-four million, five hundred three thousand, four hundred one".