4021424011445 has 4 divisors (see below), whose sum is σ = 4825708813740. Its totient is φ = 3217139209152.

The previous prime is 4021424011411. The next prime is 4021424011453. The reversal of 4021424011445 is 5441104241204.

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 2035190413201 + 1986233598244 = 1426601^2 + 1409338^2 .

It is a cyclic number.

It is not a de Polignac number, because 4021424011445 - 2¹⁶ = 4021423945909 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402142401140 + ... + 402142401149.

It is an arithmetic number, because the mean of its divisors is an integer number (1206427203435).

Almost surely, 2^{4021424011445} is an apocalyptic number.

It is an amenable number.

4021424011445 is a deficient number, since it is larger than the sum of its proper divisors (804284802295).

4021424011445 is an equidigital number, since it uses as much as digits as its factorization.

4021424011445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804284802294.

The product of its (nonzero) digits is 20480, while the sum is 32.

Adding to 4021424011445 its reverse (5441104241204), we get a palindrome (9462528252649).

The spelling of 4021424011445 in words is "four trillion, twenty-one billion, four hundred twenty-four million, eleven thousand, four hundred forty-five".