628212920937 has 16 divisors (see below), whose sum is σ = 966059191680. Its totient is φ = 355685427072.

The previous prime is 628212920869. The next prime is 628212920999. The reversal of 628212920937 is 739029212826.

It is not a de Polignac number, because 628212920937 - 2¹¹ = 628212918889 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 628212920937.

It is not an unprimeable number, because it can be changed into a prime (628212900937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137222028 + ... + 137226605.

It is an arithmetic number, because the mean of its divisors is an integer number (60378699480).

Almost surely, 2^628212920937 is an apocalyptic number.

It is an amenable number.

628212920937 is a deficient number, since it is larger than the sum of its proper divisors (337846270743).

628212920937 is a wasteful number, since it uses less digits than its factorization.

628212920937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274448752.

The product of its (nonzero) digits is 1306368, while the sum is 51.

The spelling of 628212920937 in words is "six hundred twenty-eight billion, two hundred twelve million, nine hundred twenty thousand, nine hundred thirty-seven".