105980657093 has 4 divisors (see below), whose sum is σ = 109635162540. Its totient is φ = 102326151648.

The previous prime is 105980657077. The next prime is 105980657119. The reversal of 105980657093 is 390756089501.

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 79768399489 + 26212257604 = 282433^2 + 161902^2 .

It is a cyclic number.

It is not a de Polignac number, because 105980657093 - 2⁴ = 105980657077 is a prime.

It is a super-2 number, since 2×105980657093² (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 (105980657033) 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, 1827252680 + ... + 1827252737.

It is an arithmetic number, because the mean of its divisors is an integer number (27408790635).

Almost surely, 2^105980657093 is an apocalyptic number.

It is an amenable number.

105980657093 is a deficient number, since it is larger than the sum of its proper divisors (3654505447).

105980657093 is an equidigital number, since it uses as much as digits as its factorization.

105980657093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3654505446.

The product of its (nonzero) digits is 2041200, while the sum is 53.

The spelling of 105980657093 in words is "one hundred five billion, nine hundred eighty million, six hundred fifty-seven thousand, ninety-three".