421420344213003 has 16 divisors (see below), whose sum is σ = 562658787235200. Its totient is φ = 280564404955200.

The previous prime is 421420344212999. The next prime is 421420344213031. The reversal of 421420344213003 is 300312443024124.

It is not a de Polignac number, because 421420344213003 - 2² = 421420344212999 is a prime.

It is a super-2 number, since 2×421420344213003² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (421420344212003) 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, 292055103 + ... + 293494503.

It is an arithmetic number, because the mean of its divisors is an integer number (35166174202200).

Almost surely, 2^{421420344213003} is an apocalyptic number.

421420344213003 is a deficient number, since it is larger than the sum of its proper divisors (141238443022197).

421420344213003 is a wasteful number, since it uses less digits than its factorization.

421420344213003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1572202.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 421420344213003 its reverse (300312443024124), we get a palindrome (721732787237127).

The spelling of 421420344213003 in words is "four hundred twenty-one trillion, four hundred twenty billion, three hundred forty-four million, two hundred thirteen thousand, three".