103149320449 has 16 divisors (see below), whose sum is σ = 123044352768. Its totient is φ = 84546266112.

The previous prime is 103149320383. The next prime is 103149320467. The reversal of 103149320449 is 944023941301.

It is not a de Polignac number, because 103149320449 - 2⁹ = 103149319937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103149320249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 508569 + ... + 681865.

It is an arithmetic number, because the mean of its divisors is an integer number (7690272048).

Almost surely, 2^103149320449 is an apocalyptic number.

It is an amenable number.

103149320449 is a deficient number, since it is larger than the sum of its proper divisors (19895032319).

103149320449 is a wasteful number, since it uses less digits than its factorization.

103149320449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177024.

The product of its (nonzero) digits is 93312, while the sum is 40.

The spelling of 103149320449 in words is "one hundred three billion, one hundred forty-nine million, three hundred twenty thousand, four hundred forty-nine".