628145718514 has 8 divisors (see below), whose sum is σ = 944704643760. Its totient is φ = 313244170596.

The previous prime is 628145718509. The next prime is 628145718517. The reversal of 628145718514 is 415817541826.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (628145718517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 414343384 + ... + 414344899.

It is an arithmetic number, because the mean of its divisors is an integer number (118088080470).

Almost surely, 2^628145718514 is an apocalyptic number.

628145718514 is a deficient number, since it is larger than the sum of its proper divisors (316558925246).

628145718514 is a wasteful number, since it uses less digits than its factorization.

628145718514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828688664.

The product of its digits is 2150400, while the sum is 52.

The spelling of 628145718514 in words is "six hundred twenty-eight billion, one hundred forty-five million, seven hundred eighteen thousand, five hundred fourteen".