421203453411 has 16 divisors (see below), whose sum is σ = 610457347584. Its totient is φ = 256779672864.

The previous prime is 421203453373. The next prime is 421203453413. The reversal of 421203453411 is 114354302124.

It is not a de Polignac number, because 421203453411 - 2¹⁵ = 421203420643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (421203453413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50463531 + ... + 50471876.

It is an arithmetic number, because the mean of its divisors is an integer number (38153584224).

Almost surely, 2^421203453411 is an apocalyptic number.

421203453411 is a deficient number, since it is larger than the sum of its proper divisors (189253894173).

421203453411 is a wasteful number, since it uses less digits than its factorization.

421203453411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100935530.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 421203453411 its reverse (114354302124), we get a palindrome (535557755535).

The spelling of 421203453411 in words is "four hundred twenty-one billion, two hundred three million, four hundred fifty-three thousand, four hundred eleven".