634424303656303 has 4 divisors (see below), whose sum is σ = 662007969032688. Its totient is φ = 606840638279920.

The previous prime is 634424303656301. The next prime is 634424303656421. The reversal of 634424303656303 is 303656303424436.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 634424303656303 - 2¹ = 634424303656301 is a prime.

It is a super-4 number, since 4×634424303656303⁴ (a number of 60 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634424303656301) 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, 13791832688158 + ... + 13791832688203.

It is an arithmetic number, because the mean of its divisors is an integer number (165501992258172).

Almost surely, 2^{634424303656303} is an apocalyptic number.

634424303656303 is a deficient number, since it is larger than the sum of its proper divisors (27583665376385).

634424303656303 is a wasteful number, since it uses less digits than its factorization.

634424303656303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27583665376384.

The product of its (nonzero) digits is 33592320, while the sum is 52.

The spelling of 634424303656303 in words is "six hundred thirty-four trillion, four hundred twenty-four billion, three hundred three million, six hundred fifty-six thousand, three hundred three".