425565436456553 has 8 divisors (see below), whose sum is σ = 425846524203648. Its totient is φ = 425284350893584.

The previous prime is 425565436456549. The next prime is 425565436456571. The reversal of 425565436456553 is 355654634565524.

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 425565436456553 - 2² = 425565436456549 is a prime.

It is a super-2 number, since 2×425565436456553² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425565436416553) 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 7 ways as a sum of consecutive naturals, for example, 626379551 + ... + 627058587.

It is an arithmetic number, because the mean of its divisors is an integer number (53230815525456).

Almost surely, 2^{425565436456553} is an apocalyptic number.

It is an amenable number.

425565436456553 is a deficient number, since it is larger than the sum of its proper divisors (281087747095).

425565436456553 is a wasteful number, since it uses less digits than its factorization.

425565436456553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092063.

The product of its digits is 3888000000, while the sum is 68.

The spelling of 425565436456553 in words is "four hundred twenty-five trillion, five hundred sixty-five billion, four hundred thirty-six million, four hundred fifty-six thousand, five hundred fifty-three".