103403005149 has 4 divisors (see below), whose sum is σ = 137870673536. Its totient is φ = 68935336764.

The previous prime is 103403005093. The next prime is 103403005177. The reversal of 103403005149 is 941500304301.

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: 941500304301 = 3 ⋅313833434767.

It is not a de Polignac number, because 103403005149 - 2³¹ = 101255521501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103403005649) 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, 17233834189 + ... + 17233834194.

It is an arithmetic number, because the mean of its divisors is an integer number (34467668384).

Almost surely, 2^103403005149 is an apocalyptic number.

It is an amenable number.

103403005149 is a deficient number, since it is larger than the sum of its proper divisors (34467668387).

103403005149 is an equidigital number, since it uses as much as digits as its factorization.

103403005149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34467668386.

The product of its (nonzero) digits is 6480, while the sum is 30.

The spelling of 103403005149 in words is "one hundred three billion, four hundred three million, five thousand, one hundred forty-nine".