634935626569461 has 12 divisors (see below), whose sum is σ = 984798114679392. Its totient is φ = 362820358039608.

The previous prime is 634935626569403. The next prime is 634935626569469. The reversal of 634935626569461 is 164965626539436.

634935626569461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 634935626569461 - 2¹⁵ = 634935626536693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634935626569469) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2159644988185 + ... + 2159644988478.

It is an arithmetic number, because the mean of its divisors is an integer number (82066509556616).

Almost surely, 2^{634935626569461} is an apocalyptic number.

It is an amenable number.

634935626569461 is a deficient number, since it is larger than the sum of its proper divisors (349862488109931).

634935626569461 is a wasteful number, since it uses less digits than its factorization.

634935626569461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4319289976680 (or 4319289976673 counting only the distinct ones).

The product of its digits is 4534963200, while the sum is 75.

The spelling of 634935626569461 in words is "six hundred thirty-four trillion, nine hundred thirty-five billion, six hundred twenty-six million, five hundred sixty-nine thousand, four hundred sixty-one".