425730720553 has 4 divisors (see below), whose sum is σ = 432084910480. Its totient is φ = 419376530628.

The previous prime is 425730720529. The next prime is 425730720593. The reversal of 425730720553 is 355027037524.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 425730720553 - 2¹⁷ = 425730589481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425730720593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3177094863 + ... + 3177094996.

It is an arithmetic number, because the mean of its divisors is an integer number (108021227620).

Almost surely, 2^425730720553 is an apocalyptic number.

It is an amenable number.

425730720553 is a deficient number, since it is larger than the sum of its proper divisors (6354189927).

425730720553 is an equidigital number, since it uses as much as digits as its factorization.

425730720553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6354189926.

The product of its (nonzero) digits is 882000, while the sum is 43.

The spelling of 425730720553 in words is "four hundred twenty-five billion, seven hundred thirty million, seven hundred twenty thousand, five hundred fifty-three".