4100432242421 has 4 divisors (see below), whose sum is σ = 4341634139052. Its totient is φ = 3859230345792.

The previous prime is 4100432242391. The next prime is 4100432242441. The reversal of 4100432242421 is 1242422340014.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2776758982321 + 1323673260100 = 1666361^2 + 1150510^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4100432242421 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4100432242441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120600948290 + ... + 120600948323.

It is an arithmetic number, because the mean of its divisors is an integer number (1085408534763).

Almost surely, 2^{4100432242421} is an apocalyptic number.

It is an amenable number.

4100432242421 is a deficient number, since it is larger than the sum of its proper divisors (241201896631).

4100432242421 is a wasteful number, since it uses less digits than its factorization.

4100432242421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241201896630.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 4100432242421 its reverse (1242422340014), we get a palindrome (5342854582435).

The spelling of 4100432242421 in words is "four trillion, one hundred billion, four hundred thirty-two million, two hundred forty-two thousand, four hundred twenty-one".