13628694746 has 8 divisors (see below), whose sum is σ = 20443575540. Its totient is φ = 6814169568.

The previous prime is 13628694743. The next prime is 13628694757. The reversal of 13628694746 is 64749682631.

It can be written as a sum of positive squares in 2 ways, for example, as 13620057025 + 8637721 = 116705^2 + 2939^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 13628694691 and 13628694700.

It is not an unprimeable number, because it can be changed into a prime (13628694743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50840 + ... + 172748.

Almost surely, 2^13628694746 is an apocalyptic number.

13628694746 is a deficient number, since it is larger than the sum of its proper divisors (6814880794).

13628694746 is a wasteful number, since it uses less digits than its factorization.

13628694746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177808.

The product of its digits is 10450944, while the sum is 56.

The spelling of 13628694746 in words is "thirteen billion, six hundred twenty-eight million, six hundred ninety-four thousand, seven hundred forty-six".