13625309658 has 16 divisors (see below), whose sum is σ = 28129671936. Its totient is φ = 4395261120.

The previous prime is 13625309657. The next prime is 13625309671. The reversal of 13625309658 is 85690352631.

13625309658 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13625309657) 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 7 ways as a sum of consecutive naturals, for example, 36626991 + ... + 36627362.

It is an arithmetic number, because the mean of its divisors is an integer number (1758104496).

Almost surely, 2^13625309658 is an apocalyptic number.

13625309658 is an abundant number, since it is smaller than the sum of its proper divisors (14504362278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13625309658 is a wasteful number, since it uses less digits than its factorization.

13625309658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73254389.

The product of its (nonzero) digits is 1166400, while the sum is 48.

The spelling of 13625309658 in words is "thirteen billion, six hundred twenty-five million, three hundred nine thousand, six hundred fifty-eight".