13625357546 has 4 divisors (see below), whose sum is σ = 20438036322. Its totient is φ = 6812678772.

The previous prime is 13625357533. The next prime is 13625357549. The reversal of 13625357546 is 64575352631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64575352631 = 47 ⋅1373943673.

It can be written as a sum of positive squares in only one way, i.e., 11063884225 + 2561473321 = 105185^2 + 50611^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13625357546.

It is not an unprimeable number, because it can be changed into a prime (13625357549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3406339385 + ... + 3406339388.

Almost surely, 2^13625357546 is an apocalyptic number.

13625357546 is a deficient number, since it is larger than the sum of its proper divisors (6812678776).

13625357546 is an equidigital number, since it uses as much as digits as its factorization.

13625357546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6812678775.

The product of its digits is 2268000, while the sum is 47.

The spelling of 13625357546 in words is "thirteen billion, six hundred twenty-five million, three hundred fifty-seven thousand, five hundred forty-six".