421413122141403 has 16 divisors (see below), whose sum is σ = 642155935779840. Its totient is φ = 240806520815616.

The previous prime is 421413122141357. The next prime is 421413122141423. The reversal of 421413122141403 is 304141221314124.

It is not a de Polignac number, because 421413122141403 - 2⁹ = 421413122140891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (421413122141423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35418918 + ... + 45796571.

It is an arithmetic number, because the mean of its divisors is an integer number (40134745986240).

Almost surely, 2^{421413122141403} is an apocalyptic number.

421413122141403 is a deficient number, since it is larger than the sum of its proper divisors (220742813638437).

421413122141403 is a wasteful number, since it uses less digits than its factorization.

421413122141403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81462586.

The product of its (nonzero) digits is 18432, while the sum is 33.

Adding to 421413122141403 its reverse (304141221314124), we get a palindrome (725554343455527).

The spelling of 421413122141403 in words is "four hundred twenty-one trillion, four hundred thirteen billion, one hundred twenty-two million, one hundred forty-one thousand, four hundred three".