13574745937 has 4 divisors (see below), whose sum is σ = 13582690740. Its totient is φ = 13566801136.

The previous prime is 13574745929. The next prime is 13574745949. The reversal of 13574745937 is 73954747531.

It is a happy number.

13574745937 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1310512401 + 12264233536 = 36201^2 + 110744^2 .

It is a cyclic number.

It is not a de Polignac number, because 13574745937 - 2³ = 13574745929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13574745997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3969838 + ... + 3973255.

It is an arithmetic number, because the mean of its divisors is an integer number (3395672685).

Almost surely, 2^13574745937 is an apocalyptic number.

It is an amenable number.

13574745937 is a deficient number, since it is larger than the sum of its proper divisors (7944803).

13574745937 is an equidigital number, since it uses as much as digits as its factorization.

13574745937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7944802.

The product of its digits is 11113200, while the sum is 55.

The spelling of 13574745937 in words is "thirteen billion, five hundred seventy-four million, seven hundred forty-five thousand, nine hundred thirty-seven".