425980869 has 8 divisors (see below), whose sum is σ = 568072032. Its totient is φ = 283938480.

The previous prime is 425980859. The next prime is 425980871. The reversal of 425980869 is 968089524.

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

It is not a de Polignac number, because 425980869 - 2⁴ = 425980853 is a prime.

It is a super-2 number, since 2×425980869² = 362919401507990322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425980859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21454 + ... + 36224.

It is an arithmetic number, because the mean of its divisors is an integer number (71009004).

Almost surely, 2^425980869 is an apocalyptic number.

It is an amenable number.

425980869 is a deficient number, since it is larger than the sum of its proper divisors (142091163).

425980869 is a wasteful number, since it uses less digits than its factorization.

425980869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24387.

The product of its (nonzero) digits is 1244160, while the sum is 51.

The square root of 425980869 is about 20639.3039853576. The cubic root of 425980869 is about 752.4252566094.

The spelling of 425980869 in words is "four hundred twenty-five million, nine hundred eighty thousand, eight hundred sixty-nine".