626434650636443 has 16 divisors (see below), whose sum is σ = 690434796960384. Its totient is φ = 563609869320960.

The previous prime is 626434650636433. The next prime is 626434650636463. The reversal of 626434650636443 is 344636056434626.

It is not a de Polignac number, because 626434650636443 - 2⁴⁴ = 608842464592027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (626434650636433) 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, 115734596 + ... + 121026302.

It is an arithmetic number, because the mean of its divisors is an integer number (43152174810024).

Almost surely, 2^{626434650636443} is an apocalyptic number.

626434650636443 is a deficient number, since it is larger than the sum of its proper divisors (64000146323941).

626434650636443 is a wasteful number, since it uses less digits than its factorization.

626434650636443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5402762.

The product of its (nonzero) digits is 537477120, while the sum is 62.

The spelling of 626434650636443 in words is "six hundred twenty-six trillion, four hundred thirty-four billion, six hundred fifty million, six hundred thirty-six thousand, four hundred forty-three".