425145977266 has 16 divisors (see below), whose sum is σ = 693481357656. Its totient is φ = 194661432576.

The previous prime is 425145977237. The next prime is 425145977323. The reversal of 425145977266 is 662779541524.

It can be written as a sum of positive squares in 4 ways, for example, as 370672751241 + 54473226025 = 608829^2 + 233395^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 425145977266.

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, 168975681 + ... + 168978196.

Almost surely, 2^425145977266 is an apocalyptic number.

425145977266 is a deficient number, since it is larger than the sum of its proper divisors (268335380390).

425145977266 is a wasteful number, since it uses less digits than its factorization.

425145977266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337953933.

The product of its digits is 25401600, while the sum is 58.

The spelling of 425145977266 in words is "four hundred twenty-five billion, one hundred forty-five million, nine hundred seventy-seven thousand, two hundred sixty-six".