13694975587 has 6 divisors (see below), whose sum is σ = 13741642068. Its totient is φ = 13648322772.

The previous prime is 13694975551. The next prime is 13694975597. The reversal of 13694975587 is 78557949631.

It is not a de Polignac number, because 13694975587 - 2³¹ = 11547491939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13694975507) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2047114 + ... + 2053792.

It is an arithmetic number, because the mean of its divisors is an integer number (2290273678).

Almost surely, 2^13694975587 is an apocalyptic number.

13694975587 is a deficient number, since it is larger than the sum of its proper divisors (46666481).

13694975587 is an frugal number, since it uses more digits than its factorization.

13694975587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13665 (or 6986 counting only the distinct ones).

The product of its digits is 57153600, while the sum is 64.

The spelling of 13694975587 in words is "thirteen billion, six hundred ninety-four million, nine hundred seventy-five thousand, five hundred eighty-seven".