425546420762321 has 8 divisors (see below), whose sum is σ = 426780550770504. Its totient is φ = 424313449021440.

The previous prime is 425546420762317. The next prime is 425546420762369. The reversal of 425546420762321 is 123267024645524.

It can be written as a sum of positive squares in 4 ways, for example, as 189033241132096 + 236513179630225 = 13748936^2 + 15378985^2 .

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 425546420762321 - 2² = 425546420762317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (425546420762381) 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, 288830960 + ... + 290300561.

It is an arithmetic number, because the mean of its divisors is an integer number (53347568846313).

Almost surely, 2^{425546420762321} is an apocalyptic number.

It is an amenable number.

425546420762321 is a deficient number, since it is larger than the sum of its proper divisors (1234130008183).

425546420762321 is a wasteful number, since it uses less digits than its factorization.

425546420762321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579133651.

The product of its (nonzero) digits is 19353600, while the sum is 53.

The spelling of 425546420762321 in words is "four hundred twenty-five trillion, five hundred forty-six billion, four hundred twenty million, seven hundred sixty-two thousand, three hundred twenty-one".