105970695421 has 4 divisors (see below), whose sum is σ = 105977106172. Its totient is φ = 105964284672.

The previous prime is 105970695401. The next prime is 105970695433. The reversal of 105970695421 is 124596079501.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 74291679225 + 31679016196 = 272565^2 + 177986^2 .

It is a cyclic number.

It is not a de Polignac number, because 105970695421 - 2¹⁹ = 105970171133 is a prime.

It is a super-2 number, since 2×105970695421² (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 (105970695401) 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, 3180516 + ... + 3213661.

It is an arithmetic number, because the mean of its divisors is an integer number (26494276543).

Almost surely, 2^105970695421 is an apocalyptic number.

It is an amenable number.

105970695421 is a deficient number, since it is larger than the sum of its proper divisors (6410751).

105970695421 is an equidigital number, since it uses as much as digits as its factorization.

105970695421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6410750.

The product of its (nonzero) digits is 680400, while the sum is 49.

The spelling of 105970695421 in words is "one hundred five billion, nine hundred seventy million, six hundred ninety-five thousand, four hundred twenty-one".