425474646474523 has 8 divisors (see below), whose sum is σ = 426451258375488. Its totient is φ = 424498107423624.

The previous prime is 425474646474421. The next prime is 425474646474539. The reversal of 425474646474523 is 325474646474524.

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 425474646474523 - 2⁹ = 425474646474011 is a prime.

It is a super-2 number, since 2×425474646474523² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425474646474223) 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, 6509661 + ... + 29888542.

It is an arithmetic number, because the mean of its divisors is an integer number (53306407296936).

Almost surely, 2^{425474646474523} is an apocalyptic number.

425474646474523 is a deficient number, since it is larger than the sum of its proper divisors (976611900965).

425474646474523 is a wasteful number, since it uses less digits than its factorization.

425474646474523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36425033.

The product of its digits is 2167603200, while the sum is 67.

Subtracting from 425474646474523 its reverse (325474646474524), we obtain a palindrome (99999999999999).

The spelling of 425474646474523 in words is "four hundred twenty-five trillion, four hundred seventy-four billion, six hundred forty-six million, four hundred seventy-four thousand, five hundred twenty-three".