13919807108 has 6 divisors (see below), whose sum is σ = 24359662446. Its totient is φ = 6959903552.

The previous prime is 13919807101. The next prime is 13919807119. The reversal of 13919807108 is 80170891931.

It can be written as a sum of positive squares in only one way, i.e., 10929029764 + 2990777344 = 104542^2 + 54688^2 .

It is a super-2 number, since 2×13919807108² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13919807101) 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 as a sum of consecutive naturals, namely, 1739975885 + ... + 1739975892.

It is an arithmetic number, because the mean of its divisors is an integer number (4059943741).

Almost surely, 2^13919807108 is an apocalyptic number.

It is an amenable number.

13919807108 is a deficient number, since it is larger than the sum of its proper divisors (10439855338).

13919807108 is a wasteful number, since it uses less digits than its factorization.

13919807108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3479951781 (or 3479951779 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 47.

The spelling of 13919807108 in words is "thirteen billion, nine hundred nineteen million, eight hundred seven thousand, one hundred eight".