103866597249 has 4 divisors (see below), whose sum is σ = 138488796336. Its totient is φ = 69244398164.

The previous prime is 103866597239. The next prime is 103866597257. The reversal of 103866597249 is 942795668301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 942795668301 = 3 ⋅314265222767.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103866597249 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 103866597192 and 103866597201.

It is not an unprimeable number, because it can be changed into a prime (103866597239) 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, 17311099539 + ... + 17311099544.

It is an arithmetic number, because the mean of its divisors is an integer number (34622199084).

It is a 1-persistent number, because it is pandigital, but 2⋅103866597249 = 207733194498 is not.

Almost surely, 2^103866597249 is an apocalyptic number.

It is an amenable number.

103866597249 is a deficient number, since it is larger than the sum of its proper divisors (34622199087).

103866597249 is an equidigital number, since it uses as much as digits as its factorization.

103866597249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34622199086.

The product of its (nonzero) digits is 19595520, while the sum is 60.

The spelling of 103866597249 in words is "one hundred three billion, eight hundred sixty-six million, five hundred ninety-seven thousand, two hundred forty-nine".