13917130646 has 4 divisors (see below), whose sum is σ = 20875695972. Its totient is φ = 6958565322.

The previous prime is 13917130637. The next prime is 13917130657. The reversal of 13917130646 is 64603171931.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

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, 3479282660 + ... + 3479282663.

It is an arithmetic number, because the mean of its divisors is an integer number (5218923993).

Almost surely, 2^13917130646 is an apocalyptic number.

13917130646 is a deficient number, since it is larger than the sum of its proper divisors (6958565326).

13917130646 is an equidigital number, since it uses as much as digits as its factorization.

13917130646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6958565325.

The product of its (nonzero) digits is 81648, while the sum is 41.

The spelling of 13917130646 in words is "thirteen billion, nine hundred seventeen million, one hundred thirty thousand, six hundred forty-six".