425839911 has 8 divisors (see below), whose sum is σ = 648898944. Its totient is φ = 243337080.

The previous prime is 425839907. The next prime is 425839933. The reversal of 425839911 is 119938524.

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

It is not a de Polignac number, because 425839911 - 2² = 425839907 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425839961) 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, 10139025 + ... + 10139066.

It is an arithmetic number, because the mean of its divisors is an integer number (81112368).

Almost surely, 2^425839911 is an apocalyptic number.

425839911 is a deficient number, since it is larger than the sum of its proper divisors (223059033).

425839911 is a wasteful number, since it uses less digits than its factorization.

425839911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20278101.

The product of its digits is 77760, while the sum is 42.

The square root of 425839911 is about 20635.8889074350. Note that the first 3 decimals coincide. The cubic root of 425839911 is about 752.3422543999.

The spelling of 425839911 in words is "four hundred twenty-five million, eight hundred thirty-nine thousand, nine hundred eleven".