424638121371 has 16 divisors (see below), whose sum is σ = 612090988800. Its totient is φ = 260944050528.

The previous prime is 424638121351. The next prime is 424638121379. The reversal of 424638121371 is 173121836424.

It is not a de Polignac number, because 424638121371 - 2¹⁷ = 424637990299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (424638121379) 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, 100670751 + ... + 100674968.

It is an arithmetic number, because the mean of its divisors is an integer number (38255686800).

Almost surely, 2^424638121371 is an apocalyptic number.

424638121371 is a deficient number, since it is larger than the sum of its proper divisors (187452867429).

424638121371 is a wasteful number, since it uses less digits than its factorization.

424638121371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201345778.

The product of its digits is 193536, while the sum is 42.

Adding to 424638121371 its reverse (173121836424), we get a palindrome (597759957795).

The spelling of 424638121371 in words is "four hundred twenty-four billion, six hundred thirty-eight million, one hundred twenty-one thousand, three hundred seventy-one".