100421414634 has 16 divisors (see below), whose sum is σ = 201061385280. Its totient is φ = 33437378880.

The previous prime is 100421414633. The next prime is 100421414713. The reversal of 100421414634 is 436414124001.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100421414633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9100527 + ... + 9111554.

It is an arithmetic number, because the mean of its divisors is an integer number (12566336580).

Almost surely, 2^100421414634 is an apocalyptic number.

100421414634 is an abundant number, since it is smaller than the sum of its proper divisors (100639970646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100421414634 is a wasteful number, since it uses less digits than its factorization.

100421414634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18213005.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 100421414634 its reverse (436414124001), we get a palindrome (536835538635).

The spelling of 100421414634 in words is "one hundred billion, four hundred twenty-one million, four hundred fourteen thousand, six hundred thirty-four".