13678741641 has 12 divisors (see below), whose sum is σ = 18514617072. Its totient is φ = 8983045368.

The previous prime is 13678741639. The next prime is 13678741667. The reversal of 13678741641 is 14614787631.

It is not a de Polignac number, because 13678741641 - 2¹ = 13678741639 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (13678741621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 494395 + ... + 521328.

It is an arithmetic number, because the mean of its divisors is an integer number (1542884756).

Almost surely, 2^13678741641 is an apocalyptic number.

It is an amenable number.

13678741641 is a deficient number, since it is larger than the sum of its proper divisors (4835875431).

13678741641 is an equidigital number, since it uses as much as digits as its factorization.

13678741641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015860 (or 1015793 counting only the distinct ones).

The product of its digits is 677376, while the sum is 48.

The spelling of 13678741641 in words is "thirteen billion, six hundred seventy-eight million, seven hundred forty-one thousand, six hundred forty-one".