421606383513 has 16 divisors (see below), whose sum is σ = 653336770560. Its totient is φ = 236834577936.

The previous prime is 421606383493. The next prime is 421606383571. The reversal of 421606383513 is 315383606124.

It is not a de Polignac number, because 421606383513 - 2¹³ = 421606375321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (421606383413) 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, 170138545 + ... + 170141022.

It is an arithmetic number, because the mean of its divisors is an integer number (40833548160).

Almost surely, 2^421606383513 is an apocalyptic number.

It is an amenable number.

421606383513 is a deficient number, since it is larger than the sum of its proper divisors (231730387047).

421606383513 is a wasteful number, since it uses less digits than its factorization.

421606383513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340279636.

The product of its (nonzero) digits is 311040, while the sum is 42.

Adding to 421606383513 its reverse (315383606124), we get a palindrome (736989989637).

The spelling of 421606383513 in words is "four hundred twenty-one billion, six hundred six million, three hundred eighty-three thousand, five hundred thirteen".