626223386258045 has 16 divisors (see below), whose sum is σ = 815078703036528. Its totient is φ = 460009144565760.

The previous prime is 626223386258039. The next prime is 626223386258059. The reversal of 626223386258045 is 540852683322626.

It can be written as a sum of positive squares in 8 ways, for example, as 158833334521 + 626064552923524 = 398539^2 + 25021282^2 .

It is not a de Polignac number, because 626223386258045 - 2¹⁸ = 626223385995901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89845532564 + ... + 89845539533.

It is an arithmetic number, because the mean of its divisors is an integer number (50942418939783).

Almost surely, 2^{626223386258045} is an apocalyptic number.

It is an amenable number.

626223386258045 is a deficient number, since it is larger than the sum of its proper divisors (188855316778483).

626223386258045 is a wasteful number, since it uses less digits than its factorization.

626223386258045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179691072160.

The product of its (nonzero) digits is 199065600, while the sum is 62.

The spelling of 626223386258045 in words is "six hundred twenty-six trillion, two hundred twenty-three billion, three hundred eighty-six million, two hundred fifty-eight thousand, forty-five".