106803974693 has 4 divisors (see below), whose sum is σ = 115019665068. Its totient is φ = 98588284320.

The previous prime is 106803974689. The next prime is 106803974701. The reversal of 106803974693 is 396479308601.

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 22992566689 + 83811408004 = 151633^2 + 289502^2 .

It is a cyclic number.

It is not a de Polignac number, because 106803974693 - 2² = 106803974689 is a prime.

It is a super-2 number, since 2×106803974693² (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 (106803974623) 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, 4107845168 + ... + 4107845193.

It is an arithmetic number, because the mean of its divisors is an integer number (28754916267).

Almost surely, 2^106803974693 is an apocalyptic number.

106803974693 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

106803974693 is a deficient number, since it is larger than the sum of its proper divisors (8215690375).

106803974693 is an equidigital number, since it uses as much as digits as its factorization.

106803974693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8215690374.

The product of its (nonzero) digits is 5878656, while the sum is 56.

The spelling of 106803974693 in words is "one hundred six billion, eight hundred three million, nine hundred seventy-four thousand, six hundred ninety-three".