4351114421 has 4 divisors (see below), whose sum is σ = 4364840652. Its totient is φ = 4337388192.

The previous prime is 4351114409. The next prime is 4351114423. The reversal of 4351114421 is 1244111534.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1244111534 = 2 ⋅622055767.

It can be written as a sum of positive squares in 2 ways, for example, as 515789521 + 3835324900 = 22711^2 + 61930^2 .

It is a cyclic number.

It is not a de Polignac number, because 4351114421 - 2⁶ = 4351114357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4351114423) 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, 6862640 + ... + 6863273.

It is an arithmetic number, because the mean of its divisors is an integer number (1091210163).

Almost surely, 2^4351114421 is an apocalyptic number.

It is an amenable number.

4351114421 is a deficient number, since it is larger than the sum of its proper divisors (13726231).

4351114421 is a wasteful number, since it uses less digits than its factorization.

4351114421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13726230.

The product of its digits is 1920, while the sum is 26.

The square root of 4351114421 is about 65962.9776541357. The cubic root of 4351114421 is about 1632.5512909738.

Adding to 4351114421 its reverse (1244111534), we get a palindrome (5595225955).

The spelling of 4351114421 in words is "four billion, three hundred fifty-one million, one hundred fourteen thousand, four hundred twenty-one".