626426413 has 16 divisors (see below), whose sum is σ = 671328000. Its totient is φ = 583073920.

The previous prime is 626426407. The next prime is 626426417. The reversal of 626426413 is 314624626.

It is not a de Polignac number, because 626426413 - 2²¹ = 624329261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (626426417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 564303 + ... + 565411.

It is an arithmetic number, because the mean of its divisors is an integer number (41958000).

Almost surely, 2^626426413 is an apocalyptic number.

It is an amenable number.

626426413 is a deficient number, since it is larger than the sum of its proper divisors (44901587).

626426413 is a wasteful number, since it uses less digits than its factorization.

626426413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1772.

The product of its digits is 41472, while the sum is 34.

The square root of 626426413 is about 25028.5120013156. The cubic root of 626426413 is about 855.6379143226.

The spelling of 626426413 in words is "six hundred twenty-six million, four hundred twenty-six thousand, four hundred thirteen".