13646106425 has 48 divisors (see below), whose sum is σ = 20203944960. Its totient is φ = 8939557440.

The previous prime is 13646106421. The next prime is 13646106437. The reversal of 13646106425 is 52460164631.

It is not a de Polignac number, because 13646106425 - 2² = 13646106421 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13646106421) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4518566 + ... + 4521584.

It is an arithmetic number, because the mean of its divisors is an integer number (420915520).

Almost surely, 2^13646106425 is an apocalyptic number.

It is an amenable number.

13646106425 is a deficient number, since it is larger than the sum of its proper divisors (6557838535).

13646106425 is a wasteful number, since it uses less digits than its factorization.

13646106425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4182 (or 4177 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 13646106425 in words is "thirteen billion, six hundred forty-six million, one hundred six thousand, four hundred twenty-five".