3654344426525 has 48 divisors (see below), whose sum is σ = 5144552060928. Its totient is φ = 2555976384000.

The previous prime is 3654344426521. The next prime is 3654344426563. The reversal of 3654344426525 is 5256244434563.

It is not a de Polignac number, because 3654344426525 - 2² = 3654344426521 is a prime.

It is a super-2 number, since 2×3654344426525² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3654344426521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3385136 + ... + 4332185.

It is an arithmetic number, because the mean of its divisors is an integer number (107178167936).

Almost surely, 2^{3654344426525} is an apocalyptic number.

It is an amenable number.

3654344426525 is a deficient number, since it is larger than the sum of its proper divisors (1490207634403).

3654344426525 is a wasteful number, since it uses less digits than its factorization.

3654344426525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7717422 (or 7717417 counting only the distinct ones).

The product of its digits is 41472000, while the sum is 53.

The spelling of 3654344426525 in words is "three trillion, six hundred fifty-four billion, three hundred forty-four million, four hundred twenty-six thousand, five hundred twenty-five".