425349450823 has 4 divisors (see below), whose sum is σ = 464017582728. Its totient is φ = 386681318920.

The previous prime is 425349450821. The next prime is 425349450833. The reversal of 425349450823 is 328054943524.

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 425349450823 - 2¹ = 425349450821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425349450821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19334065936 + ... + 19334065957.

It is an arithmetic number, because the mean of its divisors is an integer number (116004395682).

Almost surely, 2^425349450823 is an apocalyptic number.

425349450823 is a deficient number, since it is larger than the sum of its proper divisors (38668131905).

425349450823 is a wasteful number, since it uses less digits than its factorization.

425349450823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38668131904.

The product of its (nonzero) digits is 4147200, while the sum is 49.

The spelling of 425349450823 in words is "four hundred twenty-five billion, three hundred forty-nine million, four hundred fifty thousand, eight hundred twenty-three".