425029675249 has 3 divisors (see below), whose sum is σ = 425030327193. Its totient is φ = 425029023306.

The previous prime is 425029675247. The next prime is 425029675313. The reversal of 425029675249 is 942576920524.

The square root of 425029675249 is 651943.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 425029675249 - 2¹ = 425029675247 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 425029675249.

It is not an unprimeable number, because it can be changed into a prime (425029675241) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 325972 + ... + 977914.

It is an arithmetic number, because the mean of its divisors is an integer number (141676775731).

Almost surely, 2^425029675249 is an apocalyptic number.

425029675249 is the 651943-rd square number.

425029675249 is the 325972-nd centered octagonal number.

It is an amenable number.

425029675249 is a deficient number, since it is larger than the sum of its proper divisors (651944).

425029675249 is an frugal number, since it uses more digits than its factorization.

425029675249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303886 (or 651943 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 55.

The spelling of 425029675249 in words is "four hundred twenty-five billion, twenty-nine million, six hundred seventy-five thousand, two hundred forty-nine".