425909420803 has 4 divisors (see below), whose sum is σ = 426087404568. Its totient is φ = 425731437040.

The previous prime is 425909420801. The next prime is 425909420819. The reversal of 425909420803 is 308024909524.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 425909420803 - 2¹ = 425909420801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425909420801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88988293 + ... + 88993078.

It is an arithmetic number, because the mean of its divisors is an integer number (106521851142).

Almost surely, 2^425909420803 is an apocalyptic number.

425909420803 is a deficient number, since it is larger than the sum of its proper divisors (177983765).

425909420803 is a wasteful number, since it uses less digits than its factorization.

425909420803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177983764.

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 425909420803 in words is "four hundred twenty-five billion, nine hundred nine million, four hundred twenty thousand, eight hundred three".