103315639739 has 4 divisors (see below), whose sum is σ = 111262996656. Its totient is φ = 95368282824.

The previous prime is 103315639717. The next prime is 103315639753. The reversal of 103315639739 is 937936513301.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103315639739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103315639439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3973678439 + ... + 3973678464.

It is an arithmetic number, because the mean of its divisors is an integer number (27815749164).

Almost surely, 2^103315639739 is an apocalyptic number.

103315639739 is a deficient number, since it is larger than the sum of its proper divisors (7947356917).

103315639739 is an equidigital number, since it uses as much as digits as its factorization.

103315639739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7947356916.

The product of its (nonzero) digits is 1377810, while the sum is 50.

The spelling of 103315639739 in words is "one hundred three billion, three hundred fifteen million, six hundred thirty-nine thousand, seven hundred thirty-nine".