13574967746 has 4 divisors (see below), whose sum is σ = 20362451622. Its totient is φ = 6787483872.

The previous prime is 13574967733. The next prime is 13574967767. The reversal of 13574967746 is 64776947531.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64776947531 = 107 ⋅605392033.

It can be written as a sum of positive squares in only one way, i.e., 12976627225 + 598340521 = 113915^2 + 24461^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3393741935 + ... + 3393741938.

Almost surely, 2^13574967746 is an apocalyptic number.

13574967746 is a deficient number, since it is larger than the sum of its proper divisors (6787483876).

13574967746 is an equidigital number, since it uses as much as digits as its factorization.

13574967746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6787483875.

The product of its digits is 26671680, while the sum is 59.

The spelling of 13574967746 in words is "thirteen billion, five hundred seventy-four million, nine hundred sixty-seven thousand, seven hundred forty-six".