425280387249 has 48 divisors (see below), whose sum is σ = 620480724864. Its totient is φ = 280684051200.

The previous prime is 425280387199. The next prime is 425280387269. The reversal of 425280387249 is 942783082524.

425280387249 is a `hidden beast` number, since 4 + 2 + 528 + 0 + 3 + 8 + 72 + 49 = 666.

It is not a de Polignac number, because 425280387249 - 2⁷ = 425280387121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 425280387195 and 425280387204.

It is not an unprimeable number, because it can be changed into a prime (425280387269) 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 47 ways as a sum of consecutive naturals, for example, 400075092 + ... + 400076154.

It is an arithmetic number, because the mean of its divisors is an integer number (12926681768).

Almost surely, 2^425280387249 is an apocalyptic number.

It is an amenable number.

425280387249 is a deficient number, since it is larger than the sum of its proper divisors (195200337615).

425280387249 is a wasteful number, since it uses less digits than its factorization.

425280387249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2198 (or 2195 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 54.

The spelling of 425280387249 in words is "four hundred twenty-five billion, two hundred eighty million, three hundred eighty-seven thousand, two hundred forty-nine".