626500423441 has 4 divisors (see below), whose sum is σ = 626626815412. Its totient is φ = 626374031472.

The previous prime is 626500423391. The next prime is 626500423447. The reversal of 626500423441 is 144324005626.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 290732326416 + 335768097025 = 539196^2 + 579455^2 .

It is a cyclic number.

It is not a de Polignac number, because 626500423441 - 2¹⁵ = 626500390673 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 626500423441.

It is not an unprimeable number, because it can be changed into a prime (626500423447) 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, 63188550 + ... + 63198463.

It is an arithmetic number, because the mean of its divisors is an integer number (156656703853).

Almost surely, 2^626500423441 is an apocalyptic number.

It is an amenable number.

626500423441 is a deficient number, since it is larger than the sum of its proper divisors (126391971).

626500423441 is a wasteful number, since it uses less digits than its factorization.

626500423441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126391970.

The product of its (nonzero) digits is 138240, while the sum is 37.

The spelling of 626500423441 in words is "six hundred twenty-six billion, five hundred million, four hundred twenty-three thousand, four hundred forty-one".