428815323562 has 8 divisors (see below), whose sum is σ = 645983599716. Its totient is φ = 213487456992.

The previous prime is 428815323551. The next prime is 428815323589. The reversal of 428815323562 is 265323518824.

It can be written as a sum of positive squares in 2 ways, for example, as 348561532881 + 80253790681 = 590391^2 + 283291^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 460101813 + ... + 460102744.

Almost surely, 2^428815323562 is an apocalyptic number.

428815323562 is a deficient number, since it is larger than the sum of its proper divisors (217168276154).

428815323562 is a wasteful number, since it uses less digits than its factorization.

428815323562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920204792.

The product of its digits is 2764800, while the sum is 49.

The spelling of 428815323562 in words is "four hundred twenty-eight billion, eight hundred fifteen million, three hundred twenty-three thousand, five hundred sixty-two".