105619699693 has 2 divisors, whose sum is σ = 105619699694. Its totient is φ = 105619699692.

The previous prime is 105619699607. The next prime is 105619699699. The reversal of 105619699693 is 396996916501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79918159204 + 25701540489 = 282698^2 + 160317^2 .

It is a cyclic number.

It is not a de Polignac number, because 105619699693 - 2²⁵ = 105586145261 is a prime.

It is a super-2 number, since 2×105619699693² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105619699699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52809849846 + 52809849847.

It is an arithmetic number, because the mean of its divisors is an integer number (52809849847).

Almost surely, 2^105619699693 is an apocalyptic number.

It is an amenable number.

105619699693 is a deficient number, since it is larger than the sum of its proper divisors (1).

105619699693 is an equidigital number, since it uses as much as digits as its factorization.

105619699693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21257640, while the sum is 64.

The spelling of 105619699693 in words is "one hundred five billion, six hundred nineteen million, six hundred ninety-nine thousand, six hundred ninety-three".