105433451503421 has 8 divisors (see below), whose sum is σ = 107431797906264. Its totient is φ = 103443812493120.

The previous prime is 105433451503399. The next prime is 105433451503441. The reversal of 105433451503421 is 124305154334501.

It can be written as a sum of positive squares in 4 ways, for example, as 3373228123225 + 102060223380196 = 1836635^2 + 10102486^2 .

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 105433451503421 - 2¹⁸ = 105433451241277 is a prime.

It is a super-2 number, since 2×105433451503421² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105433451503441) 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, 2176823690 + ... + 2176872123.

It is an arithmetic number, because the mean of its divisors is an integer number (13428974738283).

Almost surely, 2^{105433451503421} is an apocalyptic number.

It is an amenable number.

105433451503421 is a deficient number, since it is larger than the sum of its proper divisors (1998346402843).

105433451503421 is an equidigital number, since it uses as much as digits as its factorization.

105433451503421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4353696271.

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 105433451503421 in words is "one hundred five trillion, four hundred thirty-three billion, four hundred fifty-one million, five hundred three thousand, four hundred twenty-one".