103449255785 has 4 divisors (see below), whose sum is σ = 124139106948. Its totient is φ = 82759404624.

The previous prime is 103449255733. The next prime is 103449255827. The reversal of 103449255785 is 587552944301.

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 19013100544 + 84436155241 = 137888^2 + 290579^2 .

It is a cyclic number.

It is not a de Polignac number, because 103449255785 - 2¹⁶ = 103449190249 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10344925574 + ... + 10344925583.

It is an arithmetic number, because the mean of its divisors is an integer number (31034776737).

Almost surely, 2^103449255785 is an apocalyptic number.

It is an amenable number.

103449255785 is a deficient number, since it is larger than the sum of its proper divisors (20689851163).

103449255785 is an equidigital number, since it uses as much as digits as its factorization.

103449255785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20689851162.

The product of its (nonzero) digits is 6048000, while the sum is 53.

The spelling of 103449255785 in words is "one hundred three billion, four hundred forty-nine million, two hundred fifty-five thousand, seven hundred eighty-five".