628131118434 has 8 divisors (see below), whose sum is σ = 1256262236880. Its totient is φ = 209377039476.

The previous prime is 628131118429. The next prime is 628131118463. The reversal of 628131118434 is 434811131826.

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

628131118434 is an admirable number.

It is a super-2 number, since 2×628131118434² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 52344259864 + ... + 52344259875.

It is an arithmetic number, because the mean of its divisors is an integer number (157032779610).

Almost surely, 2^628131118434 is an apocalyptic number.

628131118434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

628131118434 is a wasteful number, since it uses less digits than its factorization.

628131118434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104688519744.

The product of its digits is 110592, while the sum is 42.

The spelling of 628131118434 in words is "six hundred twenty-eight billion, one hundred thirty-one million, one hundred eighteen thousand, four hundred thirty-four".