4311424625421 has 16 divisors (see below), whose sum is σ = 5918366966400. Its totient is φ = 2790087252480.

The previous prime is 4311424625407. The next prime is 4311424625423. The reversal of 4311424625421 is 1245264241134.

It is not a de Polignac number, because 4311424625421 - 2³⁴ = 4294244756237 is a prime.

It is a super-2 number, since 2×4311424625421² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4311424625421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4311424625423) 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, 88046460 + ... + 88095413.

It is an arithmetic number, because the mean of its divisors is an integer number (369897935400).

Almost surely, 2^{4311424625421} is an apocalyptic number.

4311424625421 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4311424625421 is a deficient number, since it is larger than the sum of its proper divisors (1606942340979).

4311424625421 is a wasteful number, since it uses less digits than its factorization.

4311424625421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176142116.

The product of its digits is 184320, while the sum is 39.

Adding to 4311424625421 its reverse (1245264241134), we get a palindrome (5556688866555).

The spelling of 4311424625421 in words is "four trillion, three hundred eleven billion, four hundred twenty-four million, six hundred twenty-five thousand, four hundred twenty-one".