628544739061 has 8 divisors (see below), whose sum is σ = 628874581824. Its totient is φ = 628214989920.

The previous prime is 628544738981. The next prime is 628544739073. The reversal of 628544739061 is 160937445826.

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 628544739061 - 2¹⁹ = 628544214773 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 628544738993 and 628544739011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628544739461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16217496 + ... + 16256206.

It is an arithmetic number, because the mean of its divisors is an integer number (78609322728).

It is a 1-persistent number, because it is pandigital, but 2⋅628544739061 = 1257089478122 is not.

Almost surely, 2^628544739061 is an apocalyptic number.

It is an amenable number.

628544739061 is a deficient number, since it is larger than the sum of its proper divisors (329842763).

628544739061 is a wasteful number, since it uses less digits than its factorization.

628544739061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46811.

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 628544739061 in words is "six hundred twenty-eight billion, five hundred forty-four million, seven hundred thirty-nine thousand, sixty-one".