105694369492 has 12 divisors (see below), whose sum is σ = 185253708276. Its totient is φ = 52764738560.

The previous prime is 105694369489. The next prime is 105694369493. The reversal of 105694369492 is 294963496501.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 86062436496 + 19631932996 = 293364^2 + 140114^2 .

It is a super-2 number, since 2×105694369492² (a number of 23 digits) contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105694369493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20608663 + ... + 20613790.

It is an arithmetic number, because the mean of its divisors is an integer number (15437809023).

Almost surely, 2^105694369492 is an apocalyptic number.

It is an amenable number.

105694369492 is a deficient number, since it is larger than the sum of its proper divisors (79559338784).

105694369492 is a wasteful number, since it uses less digits than its factorization.

105694369492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41223098 (or 41223096 counting only the distinct ones).

The product of its (nonzero) digits is 12597120, while the sum is 58.

The spelling of 105694369492 in words is "one hundred five billion, six hundred ninety-four million, three hundred sixty-nine thousand, four hundred ninety-two".