626606562246431 has 16 divisors (see below), whose sum is σ = 674947604311680. Its totient is φ = 578285609126400.

The previous prime is 626606562246389. The next prime is 626606562246547. The reversal of 626606562246431 is 134642265606626.

It is a cyclic number.

It is not a de Polignac number, because 626606562246431 - 2¹⁰ = 626606562245407 is a prime.

It is a super-2 number, since 2×626606562246431² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (626606562246131) 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, 1284868385 + ... + 1285355973.

It is an arithmetic number, because the mean of its divisors is an integer number (42184225269480).

Almost surely, 2^{626606562246431} is an apocalyptic number.

626606562246431 is a deficient number, since it is larger than the sum of its proper divisors (48341042065249).

626606562246431 is a wasteful number, since it uses less digits than its factorization.

626606562246431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507986.

The product of its (nonzero) digits is 89579520, while the sum is 59.

The spelling of 626606562246431 in words is "six hundred twenty-six trillion, six hundred six billion, five hundred sixty-two million, two hundred forty-six thousand, four hundred thirty-one".