13694042805 has 96 divisors (see below), whose sum is σ = 24150672000. Its totient is φ = 6602757120.

The previous prime is 13694042777. The next prime is 13694042807. The reversal of 13694042805 is 50824049631.

It is not a de Polignac number, because 13694042805 - 2¹¹ = 13694040757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13694042807) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 39237771 + ... + 39238119.

It is an arithmetic number, because the mean of its divisors is an integer number (251569500).

Almost surely, 2^13694042805 is an apocalyptic number.

13694042805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13694042805 is a deficient number, since it is larger than the sum of its proper divisors (10456629195).

13694042805 is a wasteful number, since it uses less digits than its factorization.

13694042805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535 (or 474 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 13694042805 in words is "thirteen billion, six hundred ninety-four million, forty-two thousand, eight hundred five".