425889663 has 8 divisors (see below), whose sum is σ = 567964800. Its totient is φ = 283870488.

The previous prime is 425889649. The next prime is 425889713. The reversal of 425889663 is 366988524.

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

It is not a de Polignac number, because 425889663 - 2¹³ = 425881471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425881663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9318 + ... + 30636.

It is an arithmetic number, because the mean of its divisors is an integer number (70995600).

Almost surely, 2^425889663 is an apocalyptic number.

425889663 is a deficient number, since it is larger than the sum of its proper divisors (142075137).

425889663 is a wasteful number, since it uses less digits than its factorization.

425889663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27981.

The product of its digits is 2488320, while the sum is 51.

The square root of 425889663 is about 20637.0943448926. The cubic root of 425889663 is about 752.3715526355.

The spelling of 425889663 in words is "four hundred twenty-five million, eight hundred eighty-nine thousand, six hundred sixty-three".