425666040653 has 8 divisors (see below), whose sum is σ = 486649923840. Its totient is φ = 364725769680.

The previous prime is 425666040647. The next prime is 425666040727. The reversal of 425666040653 is 356040666524.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 425666040653 - 2¹⁴ = 425666024269 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 425666040598 and 425666040607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425666040953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10882133 + ... + 10921178.

It is an arithmetic number, because the mean of its divisors is an integer number (60831240480).

Almost surely, 2^425666040653 is an apocalyptic number.

It is an amenable number.

425666040653 is a deficient number, since it is larger than the sum of its proper divisors (60983883187).

425666040653 is a wasteful number, since it uses less digits than its factorization.

425666040653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21806107.

The product of its (nonzero) digits is 3110400, while the sum is 47.

The spelling of 425666040653 in words is "four hundred twenty-five billion, six hundred sixty-six million, forty thousand, six hundred fifty-three".