4021431444141 has 16 divisors (see below), whose sum is σ = 5369798637120. Its totient is φ = 2677009737600.

The previous prime is 4021431444137. The next prime is 4021431444157. The reversal of 4021431444141 is 1414441341204.

It is not a de Polignac number, because 4021431444141 - 2² = 4021431444137 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021431449141) 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, 42068986 + ... + 42164468.

It is an arithmetic number, because the mean of its divisors is an integer number (335612414820).

Almost surely, 2^{4021431444141} is an apocalyptic number.

It is an amenable number.

4021431444141 is a deficient number, since it is larger than the sum of its proper divisors (1348367192979).

4021431444141 is a wasteful number, since it uses less digits than its factorization.

4021431444141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115996.

The product of its (nonzero) digits is 24576, while the sum is 33.

Adding to 4021431444141 its reverse (1414441341204), we get a palindrome (5435872785345).

The spelling of 4021431444141 in words is "four trillion, twenty-one billion, four hundred thirty-one million, four hundred forty-four thousand, one hundred forty-one".