105486435421 has 4 divisors (see below), whose sum is σ = 107730827712. Its totient is φ = 103242043132.

The previous prime is 105486435413. The next prime is 105486435451. The reversal of 105486435421 is 124534684501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 124534684501 = 19 ⋅6554457079.

It is a cyclic number.

It is not a de Polignac number, because 105486435421 - 2³ = 105486435413 is a prime.

It is a super-2 number, since 2×105486435421² (a number of 23 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 (105486435401) 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, 1122196075 + ... + 1122196168.

It is an arithmetic number, because the mean of its divisors is an integer number (26932706928).

Almost surely, 2^105486435421 is an apocalyptic number.

It is an amenable number.

105486435421 is a deficient number, since it is larger than the sum of its proper divisors (2244392291).

105486435421 is an equidigital number, since it uses as much as digits as its factorization.

105486435421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2244392290.

The product of its (nonzero) digits is 460800, while the sum is 43.

The spelling of 105486435421 in words is "one hundred five billion, four hundred eighty-six million, four hundred thirty-five thousand, four hundred twenty-one".