628417399391 has 8 divisors (see below), whose sum is σ = 630507440640. Its totient is φ = 626327638488.

The previous prime is 628417399381. The next prime is 628417399451. The reversal of 628417399391 is 193993714826.

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

It is a cyclic number.

It is not a de Polignac number, because 628417399391 - 2¹⁴ = 628417383007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628417399321) 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, 5036720 + ... + 5159978.

It is an arithmetic number, because the mean of its divisors is an integer number (78813430080).

Almost surely, 2^628417399391 is an apocalyptic number.

628417399391 is a deficient number, since it is larger than the sum of its proper divisors (2090041249).

628417399391 is a wasteful number, since it uses less digits than its factorization.

628417399391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140173.

The product of its digits is 17635968, while the sum is 62.

The spelling of 628417399391 in words is "six hundred twenty-eight billion, four hundred seventeen million, three hundred ninety-nine thousand, three hundred ninety-one".