13747443601 has 8 divisors (see below), whose sum is σ = 14606489160. Its totient is φ = 12938765824.

The previous prime is 13747443599. The next prime is 13747443617. The reversal of 13747443601 is 10634474731.

It can be written as a sum of positive squares in 4 ways, for example, as 4303491201 + 9443952400 = 65601^2 + 97180^2 .

It is not a de Polignac number, because 13747443601 - 2¹ = 13747443599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13747443641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1394176 + ... + 1404001.

It is an arithmetic number, because the mean of its divisors is an integer number (1825811145).

Almost surely, 2^13747443601 is an apocalyptic number.

It is an amenable number.

13747443601 is a deficient number, since it is larger than the sum of its proper divisors (859045559).

13747443601 is an frugal number, since it uses more digits than its factorization.

13747443601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2798228 (or 2798194 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 40.

The spelling of 13747443601 in words is "thirteen billion, seven hundred forty-seven million, four hundred forty-three thousand, six hundred one".