4345434054421 has 8 divisors (see below), whose sum is σ = 4463382208824. Its totient is φ = 4227512425920.

The previous prime is 4345434054413. The next prime is 4345434054427. The reversal of 4345434054421 is 1244504345434.

It can be written as a sum of positive squares in 4 ways, for example, as 1852903553796 + 2492530500625 = 1361214^2 + 1578775^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4345434054421 - 2³ = 4345434054413 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 (4345434054427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6299170 + ... + 6954883.

It is an arithmetic number, because the mean of its divisors is an integer number (557922776103).

Almost surely, 2^{4345434054421} is an apocalyptic number.

It is an amenable number.

4345434054421 is a deficient number, since it is larger than the sum of its proper divisors (117948154403).

4345434054421 is a wasteful number, since it uses less digits than its factorization.

4345434054421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13262951.

The product of its (nonzero) digits is 1843200, while the sum is 43.

Adding to 4345434054421 its reverse (1244504345434), we get a palindrome (5589938399855).

The spelling of 4345434054421 in words is "four trillion, three hundred forty-five billion, four hundred thirty-four million, fifty-four thousand, four hundred twenty-one".