421401201403 has 16 divisors (see below), whose sum is σ = 531297579456. Its totient is φ = 325284226560.

The previous prime is 421401201401. The next prime is 421401201407. The reversal of 421401201403 is 304102104124.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 421401201403 - 2¹ = 421401201401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (421401201401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56469226 + ... + 56476687.

It is an arithmetic number, because the mean of its divisors is an integer number (33206098716).

Almost surely, 2^421401201403 is an apocalyptic number.

421401201403 is a deficient number, since it is larger than the sum of its proper divisors (109896378053).

421401201403 is a wasteful number, since it uses less digits than its factorization.

421401201403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112945974.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 421401201403 its reverse (304102104124), we get a palindrome (725503305527).

The spelling of 421401201403 in words is "four hundred twenty-one billion, four hundred one million, two hundred one thousand, four hundred three".