425901640130 has 8 divisors (see below), whose sum is σ = 766622952252. Its totient is φ = 170360656048.

The previous prime is 425901640127. The next prime is 425901640141. The reversal of 425901640130 is 31046109524.

It can be written as a sum of positive squares in 2 ways, for example, as 385247386489 + 40654253641 = 620683^2 + 201629^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 21295081997 + ... + 21295082016.

Almost surely, 2^425901640130 is an apocalyptic number.

425901640130 is a deficient number, since it is larger than the sum of its proper divisors (340721312122).

425901640130 is a wasteful number, since it uses less digits than its factorization.

425901640130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42590164020.

The product of its (nonzero) digits is 25920, while the sum is 35.

Adding to 425901640130 its reverse (31046109524), we get a palindrome (456947749654).

The spelling of 425901640130 in words is "four hundred twenty-five billion, nine hundred one million, six hundred forty thousand, one hundred thirty".