425164132073 has 4 divisors (see below), whose sum is σ = 425166587460. Its totient is φ = 425161676688.

The previous prime is 425164132067. The next prime is 425164132079. The reversal of 425164132073 is 370231461524.

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

It is an interprime number because it is at equal distance from previous prime (425164132067) and next prime (425164132079).

It can be written as a sum of positive squares in 2 ways, for example, as 245865239104 + 179298892969 = 495848^2 + 423437^2 .

It is a cyclic number.

It is not a de Polignac number, because 425164132073 - 2⁶ = 425164132009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425164132079) 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 3 ways as a sum of consecutive naturals, for example, 946490 + ... + 1321427.

It is an arithmetic number, because the mean of its divisors is an integer number (106291646865).

Almost surely, 2^425164132073 is an apocalyptic number.

It is an amenable number.

425164132073 is a deficient number, since it is larger than the sum of its proper divisors (2455387).

425164132073 is a wasteful number, since it uses less digits than its factorization.

425164132073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2455386.

The product of its (nonzero) digits is 120960, while the sum is 38.

Adding to 425164132073 its reverse (370231461524), we get a palindrome (795395593597).

The spelling of 425164132073 in words is "four hundred twenty-five billion, one hundred sixty-four million, one hundred thirty-two thousand, seventy-three".