425920833425 has 12 divisors (see below), whose sum is σ = 528173606556. Its totient is φ = 340716168000.

The previous prime is 425920833397. The next prime is 425920833427. The reversal of 425920833425 is 524338029524.

It can be written as a sum of positive squares in 6 ways, for example, as 874207489 + 425046625936 = 29567^2 + 651956^2 .

It is not a de Polignac number, because 425920833425 - 2¹⁰ = 425920832401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 425920833425.

It is not an unprimeable number, because it can be changed into a prime (425920833427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81494 + ... + 926543.

It is an arithmetic number, because the mean of its divisors is an integer number (44014467213).

Almost surely, 2^425920833425 is an apocalyptic number.

It is an amenable number.

425920833425 is a deficient number, since it is larger than the sum of its proper divisors (102252773131).

425920833425 is a wasteful number, since it uses less digits than its factorization.

425920833425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024948 (or 1024943 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 47.

The spelling of 425920833425 in words is "four hundred twenty-five billion, nine hundred twenty million, eight hundred thirty-three thousand, four hundred twenty-five".