425734173713 has 4 divisors (see below), whose sum is σ = 450777360420. Its totient is φ = 400690987008.

The previous prime is 425734173701. The next prime is 425734173757. The reversal of 425734173713 is 317371437524.

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

It can be written as a sum of positive squares in 2 ways, for example, as 172471598209 + 253262575504 = 415297^2 + 503252^2 .

It is a cyclic number.

It is not a de Polignac number, because 425734173713 - 2²⁰ = 425733125137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425734173773) 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, 12521593328 + ... + 12521593361.

It is an arithmetic number, because the mean of its divisors is an integer number (112694340105).

Almost surely, 2^425734173713 is an apocalyptic number.

It is an amenable number.

425734173713 is a deficient number, since it is larger than the sum of its proper divisors (25043186707).

425734173713 is a wasteful number, since it uses less digits than its factorization.

425734173713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25043186706.

The product of its digits is 1481760, while the sum is 47.

The spelling of 425734173713 in words is "four hundred twenty-five billion, seven hundred thirty-four million, one hundred seventy-three thousand, seven hundred thirteen".