425963746625 has 8 divisors (see below), whose sum is σ = 531602755944. Its totient is φ = 340770997200.

The previous prime is 425963746603. The next prime is 425963746667. The reversal of 425963746625 is 526647369524.

It can be written as a sum of positive squares in 4 ways, for example, as 41891036929 + 384072709696 = 204673^2 + 619736^2 .

It is not a de Polignac number, because 425963746625 - 2¹⁰ = 425963745601 is a prime.

It is a super-2 number, since 2×425963746625² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1703854862 + ... + 1703855111.

It is an arithmetic number, because the mean of its divisors is an integer number (66450344493).

Almost surely, 2^425963746625 is an apocalyptic number.

It is an amenable number.

425963746625 is a deficient number, since it is larger than the sum of its proper divisors (105639009319).

425963746625 is an equidigital number, since it uses as much as digits as its factorization.

425963746625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3407709988 (or 3407709978 counting only the distinct ones).

The product of its digits is 65318400, while the sum is 59.

The spelling of 425963746625 in words is "four hundred twenty-five billion, nine hundred sixty-three million, seven hundred forty-six thousand, six hundred twenty-five".