425376988561 has 8 divisors (see below), whose sum is σ = 492992244864. Its totient is φ = 359473511040.

The previous prime is 425376988523. The next prime is 425376988567. The reversal of 425376988561 is 165889673524.

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

It is not a de Polignac number, because 425376988561 - 2¹⁷ = 425376857489 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 425376988493 and 425376988502.

It is not an unprimeable number, because it can be changed into a prime (425376988567) 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 7 ways as a sum of consecutive naturals, for example, 427944160 + ... + 427945153.

It is an arithmetic number, because the mean of its divisors is an integer number (61624030608).

Almost surely, 2^425376988561 is an apocalyptic number.

It is an amenable number.

425376988561 is a deficient number, since it is larger than the sum of its proper divisors (67615256303).

425376988561 is an equidigital number, since it uses as much as digits as its factorization.

425376988561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855889391.

The product of its digits is 87091200, while the sum is 64.

The spelling of 425376988561 in words is "four hundred twenty-five billion, three hundred seventy-six million, nine hundred eighty-eight thousand, five hundred sixty-one".